GREAT PLAINS REGION - NWPL 2016 FINAL RATINGSUser Notes: 1) Plant species not listed are considered UPL for wetland delineation purposes. 2) A few UPL species are listed because they are rated FACU or wetter in at least one Corps region.

Scientific Name Common Name Status Scientific Name Common Name Status Scientific Name Common Name Status

Abies balsamea Balsam Fir FACAbutilon theophrasti Velvetleaf UPLAcalypha gracilens Slender Three-Seed-Mercury FACAcalypha poiretii Poiret's Copperleaf FACUAcalypha rhomboidea Common Three-Seed-Mercury FACUAcalypha virginica Virginia Three-Seed-Mercury FACUAcanthocereus tetragonus Triangle Cactus FACUAcer glabrum Rocky Mountain Maple FACAcer grandidentatum Canyon Maple FACAcer negundo Ash-Leaf Maple FACAcer platanoides Norway Maple UPLAcer rubrum Red Maple FACAcer saccharinum Silver Maple FACAcer saccharum Sugar Maple UPLAcer spicatum Mountain Maple FACUAchillea millefolium Common Yarrow FACUAchillea ptarmica Pearl Yarrow FACUAchnatherum hymenoides Indian Rice Grass FACUAchnatherum nelsonii Nelson's Rice Grass UPLAchnatherum richardsonii Richardson's Rice Grass FACUAchyranthes aspera Devil's-Horsewhip UPLAcmella repens Opposite-Leaf Spotflower FACWAcmispon americanus American Deerweed FACUAconitum columbianum Columbian Monkshood FACWAcorus americanus Several-Vein Sweetflag OBLAcorus calamus Single-Vein Sweetflag OBLActaea rubra Red Baneberry FACUAdiantum aleuticum Aleutian Maidenhair FACAdiantum capillus-veneris Southern Maidenhair FACWAdiantum pedatum Northern Maidenhair FACAdiantum tricholepis Fuzzy Maidenhair FACAdoxa moschatellina Muskroot FACAeschynomene indica Indian Joint-Vetch FACWAesculus glabra Ohio Buckeye FACAesculus pavia Red Buckeye FACAgalinis aspera Tall False Foxglove FACUAgalinis calycina Leoncita False Foxglove OBLAgalinis fasciculata Beach False Foxglove FACAgalinis heterophylla Prairie False Foxglove FACAgalinis maritima Saltmarsh False Foxglove OBLAgalinis paupercula Small-Flower False Foxglove FACAgalinis purpurea Purple False Foxglove FACWAgalinis skinneriana Skinner's False Foxglove FACUAgalinis tenuifolia Slender-Leaf False Foxglove FACAgastache nepetoides Yellow Giant-Hyssop FACUAgave americana American Century-Plant UPLAgeratina altissima White Snakeroot UPLAgeratum houstonianum Bluemink FACUAgoseris X agrestis UPLAgoseris glauca Pale Goat-Chicory FACUAgoseris parviflora Small-Flower Goat-Chicory UPLAgrimonia gryposepala Tall Hairy Grooveburr FACAgrimonia parviflora Harvestlice FACWAgrimonia rostellata Beaked Grooveburr FACAgrimonia striata Woodland Grooveburr FACUAgrostis capillaris Colonial Bent FACAgrostis elliottiana Elliott's Bent FACU

Agrostis exarata Spiked Bent FACWAgrostis gigantea Black Bent FACWAgrostis hyemalis Winter Bent FACWAgrostis idahoensis Idaho Bent FACWAgrostis mertensii Northern Bent FACUAgrostis perennans Upland Bent FACAgrostis scabra Rough Bent FACAgrostis stolonifera Spreading Bent FACWAilanthus altissima Tree-of-Heaven FACUAira caryophyllea Common Silver-Hair Grass FACUAlbizia lebbeck Woman's-Tongue UPLAletris aurea Golden Colicroot FACWAletris farinosa White Colicroot FACAlhagi maurorum Camelthorn FACAliciella pinnatifida Sticky Cheat Gily-Flower FACAlisma gramineum Narrow-Leaf Water-Plantain OBLAlisma subcordatum American Water-Plantain OBLAlisma triviale Northern Water-Plantain OBLAllenrolfea occidentalis Iodinebush FACWAlliaria petiolata Garlic-Mustard FACUAllium bisceptrum Aspen Onion FACUAllium canadense Meadow Garlic FACUAllium cernuum Nodding Onion UPLAllium geyeri Geyer's Onion FACUAllium schoenoprasum Wild Chives FACUAllium tricoccum Ramp FACUAllium vineale Crow Garlic FACUAllolepis texana Texas-Salt FACAlmutaster pauciflorus Marsh-Aster FACWAlnus glutinosa European Alder FACWAlnus incana Speckled Alder FACWAlnus maritima Seaside Alder OBLAlnus oblongifolia Arizona Alder FACWAlnus serrulata Brookside Alder OBLAlnus viridis Sitka Alder FACAlocasia macrorrhizos Giant Taro FACWAlopecurus aequalis Short-Awn Meadow-Foxtail OBLAlopecurus arundinaceus Creeping Meadow-Foxtail FACWAlopecurus carolinianus Tufted Meadow-Foxtail FACWAlopecurus geniculatus Marsh Meadow-Foxtail OBLAlopecurus magellanicus Alpine Meadow-Foxtail FACWAlopecurus myosuroides Slender Meadow-Foxtail FACWAlopecurus pratensis Field Meadow-Foxtail FACWAlophia drummondii Propeller-Flower FACUAlternanthera ficoidea Sanguinaria FACUAlternanthera paronychioides Smooth Joyweed OBLAlternanthera philoxeroides Alligator-Weed OBLAlthaea officinalis Common Marsh-Mallow FACWAmaranthus X texensis FACWAmaranthus acanthochiton Greenstripe FACUAmaranthus albus Tumbleweed FACUAmaranthus arenicola Sandhill Amaranth FACUAmaranthus australis Southern Amaranth OBLAmaranthus blitoides Mat Amaranth FACAmaranthus blitum Purple Amaranth FACUAmaranthus californicus California Amaranth FACWAmaranthus crassipes Spreading Amaranth FAC

Amaranthus greggii Josiah Amaranth FACAmaranthus obcordatus Trans-Pecos Amaranth FACUAmaranthus palmeri Careless Weed FACUAmaranthus retroflexus Red-Root FACUAmaranthus spinosus Spiny Amaranth FACUAmaranthus tuberculatus Rough-Fruit Amaranth FACAmaranthus viridis Slender Amaranth FACAmbrosia artemisiifolia Annual Ragweed FACUAmbrosia grayi Woolly-Leaf Burr-Ragweed FACAmbrosia monogyra Needle-Leaf Burrobush FACUAmbrosia psilostachya Perennial Ragweed FACUAmbrosia trifida Great Ragweed FACAmelanchier alnifolia Saskatoon Service-Berry FACUAmelanchier arborea Downy Service-Berry FACUAmelanchier intermedia Intermediate Service-Berry FACWAmelanchier spicata Running Service-Berry FACUAmelanchier utahensis Utah Service-Berry FACAmmannia auriculata Eared Redstem OBLAmmannia coccinea Valley Redstem OBLAmmannia latifolia Pink Redstem OBLAmmannia robusta Grand Redstem OBLAmmoselinum butleri Butler's Sand-Parsley FACAmorpha fruticosa False Indigo-Bush FACWAmorpha nana Fragrant Indigo-Bush UPLAmorpha paniculata Panicled Indigo-Bush FACWAmorpha roemeriana Roemer's Indigo-Bush FACUAmpelopsis arborea Peppervine FACAmpelopsis cordata Heart-Leaf Peppervine FACAmphicarpaea bracteata American Hog-Peanut FACUAmsonia tabernaemontana Eastern Bluestar FACWAnaphalis margaritacea Pearly-Everlasting FACUAndromeda polifolia Bog-Rosemary OBLAndropogon gerardii Big Bluestem FACUAndropogon glomeratus Bushy Bluestem FACWAndropogon gyrans Elliott's Bluestem FACUAndropogon hirsutior FACWAndropogon ternarius Split-Beard Bluestem FACUAndropogon virginicus Broom-Sedge FACUAndrosace chamaejasme Sweet-Flower Rock-Jasmine FACUAndrosace occidentalis Western Rock-Jasmine FACUAndrosace septentrionalis Pygmy-Flower Rock-Jasmine FACUAnemone canadensis Round-Leaf Thimbleweed FACWAnemone narcissiflora Narcissus-Flower Thimbleweed FACAnemone parviflora Small-Flower Thimbleweed FACUAnemone quinquefolia Nightcaps FACAnemone virginiana Tall Thimbleweed FACUAnemopsis californica Yerba-Mansa FACWAngelica ampla Giant Angelica FACWAngelica pinnata Small-Leaf Angelica FACWAnoda cristata Crested Anoda FACAntennaria neglecta Field Pussytoes FACUAntennaria umbrinella Brown-Bract Pussytoes FACUAnthemis cotula Stinking Chamomile FACUAnthenantia rufa Purple Silkyscale FACUAnthoxanthum hirtum Northern Sweet Vernal Grass FACWAnthoxanthum odoratum Large Sweet Vernal Grass FACAnticlea elegans Mountain False Deathcamas FACW

Anticlea occidentalis Western False Deathcamas FACWAnticlea virescens Green False Deathcamas FACAntigonon leptopus Queen's-Jewels FACApios americana Groundnut FACAplectrum hyemale Adam-and-Eve FACApocynum androsaemifolium Spreading Dogbane UPLApocynum cannabinum Indian-Hemp FACAquilegia canadensis Red Columbine FACAquilegia chrysantha Golden Columbine FACWAquilegia longissima Long-Spur Columbine FACWArabis eschscholtziana Pacific-Coast Eared Rockcress FACUArabis pycnocarpa Hairy Eared Rockcress FACUAralia nudicaulis Wild Sarsaparilla FACUAralia racemosa American Spikenard FACUAralia spinosa Devil's-Walkingstick FACUArctium minus Lesser Burrdock FACUArctostaphylos uva-ursi Red Bearberry UPLArenaria lanuginosa Spreading Sandwort FACUArenaria serpyllifolia Thyme-Leaf Sandwort FACUArethusa bulbosa Dragon's-Mouth OBLArisaema dracontium Greendragon FACWArisaema triphyllum Jack-in-the-Pulpit FACAristida dichotoma Church-Mouse Three-Awn FACUAristida longespica Red Three-Awn FACUAristida purpurascens Arrow-Feather Three-Awn UPLAristida spiciformis Bottlebrush Three-Awn FACArnica chamissonis Leafy Leopardbane FACWArnica fulgens Shining Leopardbane UPLArnica lanceolata Lance-Leaf Leopardbane FACArnica latifolia Daffodil Leopardbane FACArnica longifolia Spear-Leaf Leopardbane FACWArnica mollis Cordilleran Leopardbane FACArnica ovata Sticky-Leaf Leopardbane FACWArnoglossum ovatum Egg-Leaf Indian-Plantain FACArnoglossum plantagineum Groove-Stem Indian-Plantain FACAronia arbutifolia Red Chokeberry FACWAronia melanocarpa Black Chokeberry OBLArrhenatherum elatius Tall Oat Grass FACUArtemisia annua Annual Wormwood FACUArtemisia biennis Biennial Wormwood FACUArtemisia campestris Pacific Wormwood UPLArtemisia cana Coaltown Sagebrush FACUArtemisia ludoviciana White Sagebrush UPLArtemisia norvegica Boreal Sagebrush FACWArtemisia tilesii Tilesius' Wormwood FACUArtemisia vulgaris Common Wormwood UPLArthraxon hispidus Small Carp Grass FACUArundinaria gigantea Giant Cane FACWArundo donax Giant-Reed FACAsarum canadense Canadian Wild Ginger FACUAsclepias curassavica Bloodflower FACAsclepias exaltata Poke Milkweed FACAsclepias incarnata Swamp Milkweed FACWAsclepias longifolia Long-Leaf Milkweed FACAsclepias oenotheroides Zizotes Milkweed FACUAsclepias perennis Aquatic Milkweed OBLAsclepias prostrata Prostrate Milkweed FACAsclepias pumila Low Milkweed UPLAsclepias purpurascens Purple Milkweed FACUAsclepias rubra Red Milkweed OBLAsclepias speciosa Showy Milkweed FACAsclepias subverticillata Horsetail Milkweed FACUAsclepias sullivantii Prairie Milkweed FACAsclepias syriaca Common Milkweed UPL

Asclepias texana Texas Milkweed FACUAsclepias variegata Red-Ring Milkweed FACUAsclepias verticillata Whorled Milkweed FACUAsimina parviflora Small-Flower Pawpaw FACAsimina triloba Common Pawpaw FACUAsparagus officinalis Asparagus FACUAsperugo procumbens German-Madwort UPLAsplenium adiantum-nigrum Black Spleenwort FACUAsplenium platyneuron Ebony Spleenwort FACUAsplenium trichomanes Maidenhair Spleenwort FACAstragalus agrestis Cock's-Head FACUAstragalus alpinus Alpine Milk-Vetch FACAstragalus americanus American Milk-Vetch FACAstragalus argophyllus Silver-Leaf Milk-Vetch FACWAstragalus bodinii Bodin's Milk-Vetch FACAstragalus canadensis Canadian Milk-Vetch FACAstragalus diphysus Speckle-Pod Milk-Vetch UPLAstragalus eucosmus Elegant Milk-Vetch FACUAstragalus lentiginosus Freckled Milk-Vetch FACUAstragalus leptaleus Park Milk-Vetch OBLAstragalus neglectus Cooper's Milk-Vetch UPLAstragalus robbinsii Robbins' Milk-Vetch FACAthyrium americanum American Alpine Lady Fern FACAthyrium angustum Northern Lady Fern FACAthyrium asplenioides Southern Lady Fern FACAthyrium cyclosorum Western Lady Fern FACAtriplex argentea Silverscale FACAtriplex dioica Saline Saltbush FACAtriplex glabriuscula Scotland Orache FACUAtriplex hortensis Garden Orache FACAtriplex mucronata Crested Saltbush FACAtriplex patula Halberd-Leaf Orache FACWAtriplex prostrata Hastate Orache FACWAtriplex rosea Tumbling Orache FACUAtriplex semibaccata Australian Saltbush FACAtriplex tridentata Basin Saltbush FACWAtriplex truncata Wedge-Leaf Orache FACAvena sativa Oat FACUAvicennia germinans Black Mangrove OBLAxonopus compressus Broad-Leaf Carpet Grass FACWAxonopus fissifolius Narrow-Leaf Carpet Grass FACAxonopus furcatus Big Carpet Grass OBLAzolla microphylla Mexican Mosquito Fern OBLBaccharis halimifolia Groundseltree FACBaccharis neglecta Roosevelt-Weed FACBaccharis salicifolia Mule's-Fat FACWBaccharis salicina Great Plains False Willow FACBaccharis sarothroides Rosinbush FACBaccharis wrightii Wright's False Willow FACUBacopa caroliniana Blue Water-Hyssop OBLBacopa monnieri Herb-of-Grace OBLBacopa repens Creeping Water-Hyssop OBLBacopa rotundifolia Disk Water-Hyssop OBLBaptisia alba White Wild Indigo FACUBaptisia australis Blue Wild Indigo UPLBarbarea orthoceras American Yellow-Rocket OBLBarbarea vulgaris Garden Yellow-Rocket FACUBarkleyanthus salicifolius Barkley's-Ragwort FACBartonia paniculata Twining Screwstem OBLBassia hyssopifolia Five-Horn Smotherweed FACUBassia scoparia Mexican-Fireweed FACUBatis maritima Turtleweed OBLBeckmannia syzigachne American Slough Grass OBLBerberis thunbergii Japanese Barberry UPL

Berberis vulgaris European Barberry UPLBerchemia scandens Alabama Supplejack FACBergia texana Texas Bergia OBLBerula erecta Cut-Leaf-Water-Parsnip OBLBesseya alpina Alpine Coraldrops FACWBesseya plantaginea White River Coraldrops FACWBetula X purpusii OBLBetula X sandbergii OBLBetula alleghaniensis Yellow Birch FACUBetula cordifolia Heart-Leaf Paper Birch FACUBetula glandulosa Resin Birch OBLBetula nigra River Birch FACWBetula occidentalis Water Birch FACWBetula papyrifera Paper Birch FACUBetula pendula European Weeping Birch FACUBetula pubescens Downy Birch FACWBetula pumila Bog Birch OBLBidens amplissima Vancouver Island Beggarticks FACWBidens aristosa Bearded Beggarticks FACWBidens beckii Beck's Water-Marigold OBLBidens bigelovii Bigelow's Beggarticks FACWBidens bipinnata Spanish-Needles FACUBidens cernua Nodding Burr-Marigold OBLBidens discoidea Small Beggarticks FACWBidens frondosa Devil's-Pitchfork FACWBidens laevis Smooth Beggarticks OBLBidens leptocephala Few-Flower Beggarticks FACWBidens mitis Small-Fruit Beggarticks OBLBidens pilosa Hairy Beggarticks FACWBidens tenuisecta Slim-Lobe Beggarticks FACWBidens trichosperma Crowned Beggarticks OBLBidens tripartita Three-Lobe Beggarticks FACWBidens vulgata Tall Beggarticks FACBigelowia nuttallii Nuttall's Rayless-Goldenrod FACUBignonia capreolata Crossvine FACBistorta bistortoides American Bistort OBLBistorta vivipara Serpent-Grass FACWBlechnum occidentale Hammock Fern FACBlephilia hirsuta Hairy Pagoda-Plant FACUBlutaparon vermiculare Bayflower FACWBoechera collinsii UPLBoechera dentata Short's Rockcress UPLBoechera divaricarpa FACUBoechera grahamii Boivin's Rockcress FACUBoechera lemmonii Soldier Rockcress UPLBoechera stricta Canadian Rockcress FACUBoehmeria cylindrica Small-Spike False Nettle FACWBoerhavia erecta Erect Spiderling UPLBoltonia asteroides White Doll's Daisy FACWBoltonia diffusa Small-Head Doll's Daisy FACWBorrichia frutescens Bushy Seaside-Tansy FACWBothriochloa barbinodis Cane Beard Grass FACUBothriochloa bladhii Australian Beard Grass FACUBotrychium ascendens Triangle-Lobe Moonwort FACBotrychium hesperium Western Moonwort FACUBotrychium lanceolatum Lance-Leaf Moonwort FACWBotrychium lunaria Common Moonwort FACBotrychium matricariifolium Daisy-Leaf Moonwort FACUBotrychium pinnatum Northeastern Moonwort UPLBotrychium simplex Least Moonwort FACBotrypus virginianus Rattlesnake Fern FACUBouteloua dactyloides Buffalo Grass FACUBowlesia incana Hoary Bowlesia FACUBrachyelytrum erectum Bearded Shorthusk FACU

Brasenia schreberi Watershield OBLBrassica juncea Chinese Mustard FACUBrassica rapa Rape UPLBraya glabella Smooth Northern-Rockcress FACUBraya humilis Alpine Northern-Rockcress FACUBrickellia californica California Brickellbush FACUBriza media Perennial Quaking Grass FACBriza minor Lesser Quaking Grass FACBromus arvensis Field Brome FACUBromus briziformis Rattlesnake Brome UPLBromus ciliatus Fringed Brome FACBromus hordeaceus Soft Brome UPLBromus inermis Smooth Brome UPLBromus kalmii Kalm's Brome FACUBromus latiglumis Early-Leaf Brome FACWBromus madritensis Compact Brome UPLBromus pubescens Hairy Woodland Brome FACUBromus richardsonii Richardson's Brome FACUBromus vulgaris Colombian Brome UPLBroussonetia papyrifera Paper-Mulberry UPLBrunnichia ovata American Buckwheatvine FACWBuchnera americana American Bluehearts FACBuchnera floridana Florida Bluehearts FACBulbostylis capillaris Dense-Tuft Hair Sedge FACUBulbostylis ciliatifolia Capillary Hair Sedge FACBulbostylis funckii Funck's Hair Sedge FACWBulbostylis juncoides Rush Hair Sedge FACWBurmannia biflora Northern Bluethread OBLBurmannia capitata Southern Bluethread OBLButomus umbellatus Greater Flowering-Rush OBLCabomba caroliniana Carolina Fanwort OBLCaesalpinia bonduc Yellow Nicker FACUCakile geniculata Gulf Searocket FACCakile lanceolata Coastal Searocket FACWCalamagrostis canadensis Bluejoint FACWCalamagrostis scopulorum Ditch Reed Grass FACCalamagrostis stricta Slim-Stem Reed Grass FACWCalamovilfa arcuata Cumberland Sand-Reed OBLCalibrachoa parviflora Seaside-Petunia FACWCalla palustris Water-Dragon OBLCallicarpa americana American Beauty-Berry FACUCallisia repens Creeping-Inchplant FACUCallitriche hermaphroditica Autumn Water-Starwort OBLCallitriche heterophylla Greater Water-Starwort OBLCallitriche palustris Vernal Water-Starwort OBLCallitriche pedunculosa Nuttall's Water-Starwort FACWCallitriche peploides Matted Water-Starwort OBLCallitriche stagnalis Pond Water-Starwort OBLCallitriche stenoptera Narrow-Wing Water-Starwort OBLCallitriche terrestris Terrestrial Water-Starwort FACWCalopogon tuberosus Tuberous Grass-Pink OBLCaltha leptosepala White Marsh-Marigold OBLCaltha palustris Yellow Marsh-Marigold OBLCalycocarpum lyonii Cupseed FACWCalypso bulbosa Fairy-Slipper Orchid FACWCalyptocarpus vialis Straggler Daisy FACCalyptridium roseum FACUCalystegia sepium Hedge False Bindweed FACCamassia scilloides Atlantic Camas FACCamelina alyssum Madwort False Flax FACUCamelina microcarpa Little-Pod False Flax UPLCamelina sativa Gold-of-Pleasure FACUCampanula aparinoides Marsh Bellflower OBLCampanula parryi Parry's Bellflower FAC

Campanula rotundifolia Bluebell-of-Scotland FACCampanulastrum americanum American-Bellflower FACCampsis radicans Trumpet-Creeper FACUCanadanthus modestus Canada-Aster FACCanavalia rosea Bay-Bean FACCanna X generalis OBLCanna flaccida Bandanna-of-the-Everglades OBLCanna indica Indian-Shot FACWCaperonia palustris Sacatrapo FACWCapraria biflora Goatweed FACWCapraria mexicana Mexican Goatweed FACCapsella bursa-pastoris Shepherd's-Purse FACUCardamine breweri Sierran Bittercress FACWCardamine bulbosa Bulbous Bittercress OBLCardamine concatenata Cut-Leaf Toothwort FACUCardamine cordifolia Large Mountain Bittercress OBLCardamine douglassii Limestone Bittercress FACWCardamine flexuosa Woodland Bittercress FACWCardamine hirsuta Hairy Bittercress FACCardamine macrocarpa Large-Seed Bittercress FACWCardamine oligosperma Little Western Bittercress FACCardamine parviflora Sand Bittercress FACWCardamine pensylvanica Quaker Bittercress FACWCardiospermum halicacabum Love-in-a-Puff FACCarduus nutans Nodding Plumeless-Thistle FACUCarex X physocarpoides OBLCarex X subimpressa OBLCarex abscondita Thicket Sedge FACCarex alata Broad-Wing Sedge OBLCarex albicans White-Tinge Sedge FACUCarex albolutescens Green-White Sedge FACWCarex albonigra Black-and-White-Scale Sedge FACCarex alma Sturdy Sedge OBLCarex alopecoidea Fox-Tail Sedge FACWCarex amphibola Eastern Narrow-Leaf Sedge OBLCarex annectens Yellow-Fruit Sedge FACWCarex aperta Columbian Sedge FACWCarex aquatilis Leafy Tussock Sedge OBLCarex arkansana Arkansas Sedge FACUCarex atherodes Wheat Sedge OBLCarex athrostachya Slender-Beak Sedge FACWCarex atlantica Prickly Bog Sedge OBLCarex atrosquama Lesser Black-Scale Sedge FACUCarex aurea Golden-Fruit Sedge OBLCarex austrina Southern Sedge FACUCarex basiantha Widow Sedge FACWCarex bebbii Bebb's Sedge OBLCarex bella Southwestern Showy Sedge FACCarex bicknellii Bicknell's Sedge FACWCarex blanda Eastern Woodland Sedge FACCarex bolanderi Bolander's Sedge FACWCarex brevior Short-Beak Sedge FACCarex brunnescens Brownish Sedge FACCarex bulbostylis False Hair Sedge FACWCarex bushii Bush's Sedge OBLCarex buxbaumii Brown Bog Sedge OBLCarex canescens Hoary Sedge OBLCarex capillaris Hair-Like Sedge FACWCarex capitata Capitate Sedge FACWCarex caroliniana Carolina Sedge OBLCarex castanea Chestnut-Color Sedge FACWCarex cephalophora Oval-Leaf Sedge FACUCarex cherokeensis Cherokee Sedge FACWCarex chordorrhiza Rope-Root Sedge OBL

Carex comosa Bearded Sedge OBLCarex complanata Hirsute Sedge FACCarex concinna Low Northern Sedge FACUCarex conjuncta Soft Fox Sedge FACCarex conoidea Open-Field Sedge FACCarex corrugata Prune-Fruit Sedge FACWCarex crawei Crawe's Sedge FACWCarex crawfordii Crawford's Sedge OBLCarex crebriflora Coastal-Plain Sedge OBLCarex crinita Fringed Sedge OBLCarex cristatella Crested Sedge FACWCarex crus-corvi Raven-Foot Sedge OBLCarex cryptolepis Northeastern Sedge OBLCarex davisii Davis' Sedge FACCarex debilis White-Edge Sedge OBLCarex decomposita Cypress-Knee Sedge OBLCarex deweyana Dewey's Sedge FACUCarex diandra Lesser Tussock Sedge OBLCarex digitalis Slender Woodland Sedge UPLCarex disperma Soft-Leaf Sedge FACWCarex douglasii Douglas' Sedge FACCarex eburnea Bristle-Leaf Sedge FACUCarex echinata Star Sedge OBLCarex egglestonii Eggleston's Sedge FACUCarex elynoides Black-Root Sedge FACCarex emoryi Emory's Sedge OBLCarex exilis Coastal Sedge OBLCarex exsiccata Western Inflated Sedge OBLCarex festucacea Fescue Sedge FACWCarex fissa Hammock Sedge OBLCarex fissuricola Cleft Sedge FACWCarex flaccosperma Thin-Fruit Sedge FACWCarex flava Yellow-Green Sedge OBLCarex foenea Bronze-Head Oval Sedge UPLCarex formosa Handsome Sedge FACCarex frankii Frank's Sedge OBLCarex fuliginosa Short-Leaf Sedge FACWCarex garberi Elk Sedge FACWCarex glaucescens Southern Waxy Sedge OBLCarex glaucodea Blue Sedge FACWCarex gracillima Graceful Sedge FACWCarex granularis Limestone-Meadow Sedge OBLCarex gravida Heavy Sedge FACWCarex grayi Gray's Sedge FACWCarex grisea Inflated Narrow-Leaf Sedge FACWCarex gynocrates Northern Bog Sedge OBLCarex hallii Deer Sedge FACCarex haydeniana Hayden's Sedge FACUCarex haydenii Cloud Sedge OBLCarex heteroneura Different-Nerve Sedge FACWCarex hoodii Hood's Sedge UPLCarex hyalina Tissue Sedge FACWCarex hyalinolepis Shoreline Sedge OBLCarex hystericina Porcupine Sedge OBLCarex illota Small-Head Sedge FACWCarex incurviformis Coastal-Sand Sedge FACCarex infirminervia FACCarex interior Inland Sedge OBLCarex intumescens Greater Bladder Sedge OBLCarex jonesii Jones' Sedge FACWCarex joorii Cypress-Swamp Sedge OBLCarex kelloggii Kellogg's Sedge OBLCarex lachenalii Arctic Hare-Foot Sedge OBLCarex lacustris Lakebank Sedge OBL

Carex laeviconica Smooth-Cone Sedge OBLCarex laeviculmis Smooth-Stem Sedge FACWCarex lasiocarpa Woolly-Fruit Sedge OBLCarex laxiflora Broad Loose-Flower Sedge FACUCarex lenticularis Lakeshore Sedge OBLCarex leporinella Sierran Hare Sedge FACWCarex leptalea Bristly-Stalk Sedge OBLCarex leptonervia Nerveless Woodland Sedge FACCarex limosa Mud Sedge OBLCarex livida Livid Sedge OBLCarex longii Long's Sedge OBLCarex louisianica Louisiana Sedge OBLCarex lupuliformis False Hop Sedge OBLCarex lupulina Hop Sedge OBLCarex lurida Shallow Sedge OBLCarex luzulifolia Little-Leaf Sedge FACWCarex luzulina Woodrush Sedge OBLCarex macloviana Falkland Island Sedge FACWCarex magellanica Boreal-Bog Sedge OBLCarex mckittrickensis Guadalupe Mountain Sedge FACWCarex meadii Mead's Sedge FACCarex media Montana Sedge FACWCarex mertensii Mertens' Sedge FACCarex microdonta Little-Tooth Sedge OBLCarex microglochin False Uncinia Sedge OBLCarex micropoda Pyrenean Sedge FACUCarex microptera Small-Wing Sedge FACCarex molesta Troublesome Sedge FACWCarex nardina Nard Sedge FACUCarex nebrascensis Nebraska Sedge OBLCarex nelsonii Nelson's Sedge FACCarex neurophora Alpine Nerve Sedge FACWCarex nigricans Black Alpine Sedge FACWCarex nigromarginata Black-Edge Sedge FACCarex normalis Greater Straw Sedge OBLCarex nova New Sedge FACWCarex oklahomensis Oklahoma Sedge FACWCarex oligosperma Few-Seed Sedge OBLCarex opaca FACWCarex oxylepis Sharp-Scale Sedge OBLCarex ozarkana Ozark Sedge OBLCarex pachystachya Thick-Head Sedge FACCarex parryana Parry's Sedge FACWCarex pauciflora Few-Flower Sedge OBLCarex paysonis Payson's Sedge FACUCarex pedunculata Long-Stalk Sedge OBLCarex pellita Woolly Sedge OBLCarex pelocarpa Dusky-Seed Sedge FACUCarex petasata Liddon Sedge UPLCarex phaeocephala Mountain Hare Sedge FACUCarex podocarpa Short-Stalk Sedge FACCarex praeceptorum Teacher's Sedge OBLCarex praegracilis Clustered Field Sedge FACWCarex prairea Prairie Sedge OBLCarex praticola Northern Meadow Sedge FACCarex preslii Presl's Sedge FACUCarex projecta Necklace Sedge FACWCarex pseudocyperus Cypress-Like Sedge OBLCarex radiata Eastern Star Sedge FACCarex raynoldsii Raynolds' Sedge FACUCarex reniformis Kidney-Shape Sedge OBLCarex retroflexa Reflexed Sedge FACUCarex retrorsa Retrorse Sedge OBLCarex richardsonii Richardson's Sedge FAC

Carex rosea Rosy Sedge FACUCarex rostrata Swollen Beaked Sedge OBLCarex rupestris Curly Sedge FACUCarex sartwellii Sartwell's Sedge FACWCarex saxatilis Russet Sedge OBLCarex scirpoidea Canadian Single-Spike Sedge FACUCarex scoparia Pointed Broom Sedge FACWCarex scopulorum Holm's Rocky Mountain Sedge FACWCarex senta Western Rough Sedge OBLCarex siccata Dry-Spike Sedge UPLCarex simulata Analogue Sedge OBLCarex sparganioides Burr-Reed Sedge FACCarex spectabilis Northwestern Showy Sedge FACWCarex sprengelii Long-Beak Sedge FACUCarex squarrosa Squarrose Sedge FACWCarex sterilis Dioecious Sedge OBLCarex stevenii Steven's Sedge FACCarex stipata Stalk-Grain Sedge OBLCarex stricta Uptight Sedge OBLCarex styloflexa Bent Sedge OBLCarex suberecta Prairie Straw Sedge OBLCarex subfusca Rusty Sedge FACUCarex swanii Swan's Sedge UPLCarex sychnocephala Many-Head Sedge FACWCarex tenera Quill Sedge FACWCarex tenuiflora Sparse-Flower Sedge OBLCarex tetanica Rigid Sedge FACWCarex tetrastachya Britton's Sedge FACWCarex torreyi Torrey's Sedge UPLCarex torta Twisted Sedge FACWCarex triangularis Eastern Fox Sedge OBLCarex tribuloides Blunt Broom Sedge OBLCarex trichocarpa Hairy-Fruit Sedge OBLCarex trisperma Three-Seed Sedge OBLCarex tuckermanii Tuckerman's Sedge OBLCarex typhina Cat-Tail Sedge OBLCarex utriculata Northwest Territory Sedge OBLCarex vaginata Sheathed Sedge OBLCarex vallicola Valley Sedge FACCarex vernacula Native Sedge FACCarex verrucosa Warty Sedge OBLCarex vesicaria Lesser Bladder Sedge OBLCarex viridula Little Green Sedge OBLCarex vulpinoidea Common Fox Sedge FACWCarpinus caroliniana American Hornbeam FACCartrema americana Devilwood FACCarum carvi Caraway UPLCarya aquatica Water Hickory OBLCarya cordiformis Bitter-Nut Hickory FACUCarya glabra Pignut Hickory FACUCarya illinoinensis Pecan FACCarya laciniosa Shell-Bark Hickory FACCarya myristiciformis Nutmeg Hickory FACWCarya ovalis Red Hickory FACUCarya ovata Shag-Bark Hickory FACUCassiope mertensiana Western Moss-Heather FACUCassiope tetragona White Arctic Mountain-Heather FACUCastilleja coccinea Scarlet Indian-Paintbrush FACUCastilleja indivisa Entire-Leaf Indian-Paintbrush FACCastilleja lineata Marsh-Meadow Indian-Paintbrush

FACWCastilleja miniata Great Red Indian-Paintbrush FACCastilleja minor Alkali Indian-Paintbrush OBLCastilleja occidentalis Pale-Yellow Indian-Paintbrush FAC

Castilleja rhexiifolia Rosy Indian-Paintbrush FACCastilleja septentrionalis Labrador Indian-Paintbrush FACCasuarina equisetifolia Beach She-Oak FACUCatabrosa aquatica Water Whorl Grass OBLCatalpa bignonioides Southern Catalpa UPLCatalpa speciosa Northern Catalpa FACUCatharanthus roseus Madagascar-Periwinkle UPLCayaponia quinqueloba Five-Lobe-Cucumber FACCelastrus orbiculatus Asian Bittersweet UPLCelastrus scandens American Bittersweet UPLCelosia argentea Silver Cock's-Comb UPLCeltis laevigata Sugar-Berry FACCeltis occidentalis Common Hackberry FACUCeltis reticulata Net-Leaf Hackberry UPLCenchrus americanus Pearl-Millet FACUCenchrus brownii Slim-Bristle Sandburr FACUCenchrus ciliaris Buffel Grass UPLCenchrus echinatus Southern Sandburr UPLCenchrus longispinus Innocent-Weed UPLCenchrus myosuroides Big Sandburr FACUCenchrus polystachios Mission Grass FACUCenchrus purpureus Elephant Grass FACCentaurea X moncktonii FACUCentaurea cyanus Garden Cornflower FACUCentaurea jacea Brown-Ray Knapweed FACUCentaurium pulchellum Branched Centaury FACUCentaurium tenuiflorum Slender Centaury FACWCentella erecta Stiff Spadeleaf FACWCephalanthus occidentalis Common Buttonbush OBLCephalanthus salicifolius Mexican Buttonbush OBLCerastium arvense Field Mouse-Ear Chickweed FACUCerastium axillare Trans-Pecos Mouse-Ear Chickweed

FACCerastium beeringianum Bering Sea Mouse-Ear Chickweed

FACCerastium brachypodum Short-Stalk Mouse-Ear Chickweed

FACUCerastium fontanum Common Mouse-Ear Chickweed

FACUCerastium glomeratum Sticky Mouse-Ear Chickweed FACUCerastium nutans Nodding Mouse-Ear Chickweed

FACCeratophyllum demersum Coon's-Tail OBLCeratophyllum echinatum Spineless Hornwort OBLCeratopteris thalictroides Watersprite OBLCercis canadensis Redbud UPLCestrum diurnum Day Flowering-Jassamine UPLCestrum nocturnum Night Flowering-Jassamine UPLChaerophyllum procumbens Spreading Chervil FACChaerophyllum tainturieri Hairy-Fruit Chervil FACChamaecrista fasciculata Sleepingplant FACUChamaecrista nictitans Partridge-Pea FACUChamaecyparis lawsoniana Port Orford-Cedar FACUChamaedaphne calyculata Leatherleaf OBLChamaenerion angustifolium Narrow-Leaf Fireweed FACChasmanthium latifolium Indian Wood-Oats FACUChasmanthium laxum Slender Wood-Oats FACChasmanthium sessiliflorum Long-Leaf Wood-Oats FACChelidonium majus Greater Celandine FACUChelone glabra White Turtlehead OBLChelone obliqua Red Turtlehead OBLChenopodium album Lamb's-Quarters FACUChenopodium chenopodioides Low Goosefoot FACWChenopodium foliosum Leafy Goosefoot FACU

Chenopodium fremontii Fremont's Goosefoot FACUChenopodium glaucum Oak-Leaf Goosefoot FACChenopodium leptophyllum Narrow-Leaf Goosefoot FACUChenopodium murale Nettle-Leaf Goosefoot FACUChenopodium rubrum Red Goosefoot OBLChilopsis linearis Desert-Willow FACUChiococca alba West Indian Milkberry FACUChionanthus virginicus White Fringetree FACUChionophila jamesii Rocky Mountain Snowlover FACUChloracantha spinosa Mexican-Devilweed FACWChloris barbata Swollen Windmill Grass FACUChloris ciliata Fringed Windmill Grass UPLChloris gayana Rhodes Grass FACUChloris virgata Feather Windmill Grass FACUChristella dentata Pai'i'iho FACChristella hispidula Rough-Hairy Waterfall Fern FACChromolaena odorata Jack-in-the-Bush FACChrysopogon zizanioides Khus-Khus FACWChrysopsis mariana Maryland Golden-Aster FACUCichorium intybus Chicory FACUCicuta bulbifera Bulblet-Bearing Water-Hemlock OBLCicuta douglasii Western Water-Hemlock OBLCicuta maculata Spotted Water-Hemlock OBLCinna arundinacea Sweet Wood-Reed FACWCinna latifolia Slender Wood-Reed OBLCinnamomum camphora Camphortree UPLCircaea alpina Small Enchanter's-Nightshade FACWCircaea canadensis Broad-Leaf Enchanter's-Nightshade

FACUCirsium arizonicum Arizona Thistle FACCirsium arvense Canadian Thistle FACUCirsium discolor Field Thistle FACUCirsium drummondii Dwarf Thistle FACCirsium flodmanii Flodman's Thistle FACCirsium foliosum Elk Thistle FACUCirsium horridulum Yellow Thistle FACCirsium muticum Swamp Thistle FACWCirsium nuttallii Nuttall's Thistle FACCirsium parryi Parry's Thistle FACWCirsium scariosum Meadow Thistle FACCirsium tracyi Tracy's Thistle FACUCirsium undulatum Wavy-Leaf Thistle FACUCirsium vinaceum Sacramento Mountain Thistle OBLCirsium vulgare Bull Thistle UPLCirsium wrightii Wright's Thistle OBLCissus trifoliata Sorrelvine FACUCitrullus lanatus Watermelon UPLCitrus X aurantium FACUCladium californicum California Saw-Grass OBLCladium mariscoides Smooth Saw-Grass OBLCladium mariscus Swamp Saw-Grass OBLClappia suaedifolia Fleshy Clapdaisy FACWClaytonia lanceolata Lance-Leaf Springbeauty FACWClaytonia megarhiza Alpine Springbeauty FACUClaytonia multiscapa Many-Stem Springbeauty FACClaytonia perfoliata Miner's-Lettuce FACWClaytonia virginica Virginia Springbeauty FACUClematis crispa Swamp Leather-Flower FACClematis ligusticifolia Deciduous Traveler's-Joy FACUClematis pitcheri Bluebill FACUClematis terniflora Sweet Autumn Virgin's-Bower FACUClematis virginiana Devil's-Darning-Needles FACCleomella angustifolia Northern Stinkweed FACCleomella longipes Chiricahua Mountain Stinkweed

FACClethra alnifolia Coastal Sweet-Pepperbush FACWClinopodium arkansanum Limestone Wild Basil FACClinopodium brownei Browne's Wild Basil OBLClintonia borealis Yellow Bluebead-Lily FACClitoria mariana Atlantic Pigeonwings FACUClitoria ternatea Asian Pigeonwings FACUCocculus carolinus Carolina Coralbead FACUCoeloglossum viride Long-Bract Frog Orchid FACUCoelorachis cylindrica Carolina Joint-Tail Grass FACCoelorachis rugosa Wrinkled Joint-Tail Grass FACWCoix lacryma-jobi Job's-Tears FACWColeataenia anceps Beaked Cut-Throat Grass FACColeataenia rigidula Red-Top Cut-Throat Grass FACWColeataenia stipitata Stipitate Cut-Throat Grass FACWColeataenia tenera Southeastern Cut-Throat Grass FACWCollinsia verna Spring Blue-Eyed Mary FACCollomia linearis Narrow-Leaf Mountain-Trumpet FACUColocasia esculenta Coco-Yam OBLComandra umbellata Bastard-Toadflax UPLComarum palustre Purple Marshlocks OBLComastoma tenellum Samiland-Gentian FACCommelina caroliniana Carolina Dayflower FACUCommelina communis Asiatic Dayflower FACCommelina diffusa Climbing Dayflower FACWCommelina erecta White-Mouth Dayflower FACUCommelina virginica Virginia Dayflower FACConioselinum chinense Chinese Hemlock-Parsley FACWConioselinum scopulorum Rocky Mountain Hemlock-Parsley

FACWConium maculatum Poison-Hemlock FACWConocarpus erectus Button Mangrove FACWConoclinium betonicifolium Betony-Leaf Mistflower FACWConoclinium coelestinum Blue Mistflower FACWConoclinium dissectum Pinked Mistflower FACWConvolvulus equitans Texas Bindweed FACUCooperia chlorosolen Evening Rain-Lily FACCoptidium lapponicum OBLCoptis trifolia Three-Leaf Goldthread FACWCorallorhiza maculata Summer Coralroot UPLCorallorhiza striata Hooded Coralroot UPLCorallorhiza trifida Yellow Coralroot FACCorallorhiza wisteriana Spring Coralroot FACUCordylanthus ramosus Bushy Bird's-Beak FACWCoreopsis lanceolata Lance-Leaf Tickseed FACUCoreopsis pubescens Star Tickseed FACUCoreopsis tinctoria Golden Tickseed FACCoreopsis tripteris Tall Tickseed FACCorispermum americanum American Bugseed FACUCorispermum hyssopifolium Hyssop-Leaf Bugseed FACUCorispermum welshii Welsh's Bugseed UPLCornus alba Red Osier FACWCornus alternifolia Alternate-Leaf Dogwood FACUCornus canadensis Canadian Bunchberry FACUCornus drummondii Rough-Leaf Dogwood FACCornus florida Flowering Dogwood FACUCornus foemina Stiff Dogwood FACWCornus obliqua Pale Dogwood FACWCornus racemosa Gray Dogwood FACCortaderia jubata Uruguayan Pampas Grass UPLCortaderia selloana Selloa Pampus Grass FACUCorydalis caseana Sierran Fumewort FACWCorydalis flavula Yellow Fumewort FACUCorylus americana American Hazelnut UPL

Corylus cornuta Beaked Hazelnut UPLCosmos bipinnatus Garden Cosmos FACWCosmos parviflorus Southwestern Cosmos FACCosmos sulphureus Sulphur Cosmos UPLCotula australis Australian Water-Buttons FACCrassula aquatica Water Pygmyweed OBLCrassula connata Sand Pygmyweed OBLCrassula solieri Smooth-Seed Pygmyweed FACWCrataegus berberifolia Barberry Hawthorn FACCrataegus brachyacantha Blueberry Hawthorn FACWCrataegus crus-galli Cock-Spur Hawthorn FACCrataegus douglasii Black Hawthorn FACCrataegus erythropoda Cerro Hawthorn FACCrataegus marshallii Parsley Hawthorn FACWCrataegus mollis Downy Hawthorn FACCrataegus opaca River-Flat Hawthorn OBLCrataegus phaenopyrum Washington Hawthorn FACCrataegus rivularis River Hawthorn FACWCrataegus spathulata Little-Hip Hawthorn FACCrataegus viridis Green Hawthorn FACCrepis capillaris Smooth Hawk's-Beard UPLCrepis runcinata Fiddle-Leaf Hawk's-Beard FACCressa nudicaulis Naked-Stem Alkali-Weed OBLCressa truxillensis Spreading Alkali-Weed FACWCrocosmia X crocosmiiflora FACWCroptilon divaricatum Slender Scratchdaisy FACUCrotalaria incana Shakeshake FACUCrotalaria retusa Rattleweed UPLCrotalaria spectabilis Showy Rattlebox FACUCrypsis alopecuroides Fox-Tail Prickle Grass FACWCrypsis schoenoides Swamp Prickle Grass OBLCryptocoryne beckettii Beckett's Water-Trumpet OBLCryptostegia grandiflora Palay Rubbervine FACUCryptotaenia canadensis Canadian Honewort FACCuphea carthagenensis Colombian Waxweed FACCuphea glutinosa Sticky Waxweed FACUCuphea viscosissima Blue Waxweed FACCyclachaena xanthiifolia Carelessweed FACCycloloma atriplicifolium Winged-Pigweed FACUCyclospermum leptophyllum Marsh-Parsley FACCynanchum laeve Honeyvine FACCynodon dactylon Bermuda Grass FACUCynodon nlemfuensis Antelope Grass UPLCynoglossum officinale Gypsy-Flower FACUCynosciadium digitatum Finger-Dogshade FACWCynosurus cristatus Crested Dog's-Tail Grass FACUCyperus acuminatus Taper-Tip Flat Sedge OBLCyperus aggregatus Inflated-Scale Flat Sedge FACCyperus articulatus Jointed Flat Sedge OBLCyperus bipartitus Shining Flat Sedge FACWCyperus compressus Poorland Flat Sedge FACWCyperus croceus Baldwin's Flat Sedge FACCyperus diandrus Umbrella Flat Sedge FACWCyperus difformis Variable Flat Sedge OBLCyperus digitatus Finger Flat Sedge FACWCyperus drummondii Drummond's Sedge OBLCyperus echinatus Globe Flat Sedge FACCyperus elegans Royal Flat Sedge FACWCyperus entrerianus Woodrush Flat Sedge FACWCyperus eragrostis Tall Flat Sedge FACWCyperus erythrorhizos Red-Root Flat Sedge OBLCyperus esculentus Chufa FACWCyperus fendlerianus Fendler's Flat Sedge FACCyperus flavescens Yellow Flat Sedge OBL

Cyperus flavicomus White-Edge Flat Sedge FACCyperus fuscus Galingale FACWCyperus haspan Sheathed Flat Sedge OBLCyperus hermaphroditus Hermaphrodite Flat Sedge FACUCyperus involucratus Alternate-Leaf Flat Sedge FACWCyperus iria Ricefield Flat Sedge FACWCyperus laevigatus Smooth Flat Sedge FACCyperus lanceolatus Epiphytic Flat Sedge FACWCyperus lupulinus Great Plains Flat Sedge FACUCyperus niger Black Flat Sedge FACWCyperus ochraceus Pond Flat Sedge FACWCyperus odoratus Rusty Flat Sedge FACWCyperus onerosus Plains Flat Sedge FACWCyperus oxylepis Sharp-Scale Flat Sedge FACWCyperus parishii Parish's Flat Sedge FACWCyperus polystachyos Many-Spike Flat Sedge FACWCyperus pseudovegetus Marsh Flat Sedge FACWCyperus reflexus Bent-Awn Flat Sedge FACCyperus retrofractus Rough Flat Sedge UPLCyperus retrorsus Pine-Barren Flat Sedge FACCyperus rotundus Purple Flat Sedge FACCyperus schweinitzii Sand Flat Sedge FACUCyperus seslerioides Texas Flat Sedge FACCyperus setigerus Lean Flat Sedge FACCyperus squarrosus Awned Flat Sedge OBLCyperus strigosus Straw-Color Flat Sedge FACWCyperus surinamensis Tropical Flat Sedge FACWCyperus tetragonus Four-Angle Flat Sedge FACCyperus thyrsiflorus Southern Flat Sedge FACCyperus virens Green Flat Sedge FACWCypripedium X andrewsii FACWCypripedium acaule Pink Lady's-Slipper FACWCypripedium arietinum Ram-Head Lady's-Slipper FACWCypripedium candidum Small White Lady's-Slipper OBLCypripedium parviflorum Yellow Lady's-Slipper FACWCypripedium reginae Showy Lady's-Slipper FACWCyrilla racemiflora Little-Leaf Titi FACWCyrtorhyncha cymbalaria Alkali Buttercup OBLCyrtorhyncha ranunculina Tadpole Alkali Buttercup FACCystopteris bulbifera Bulblet Bladder Fern FACWCystopteris fragilis Brittle Bladder Fern FACUCystopteris protrusa Lowland Bladder Fern FACWDactylis glomerata Orchard Grass FACUDalea leporina Fox-Tail Prairie-Clover UPLDanthonia californica California Wild Oat Grass FACUDanthonia intermedia Timber Wild Oat Grass FACDasiphora fruticosa Golden-Hardhack FACWDasistoma macrophylla Mullein-Foxglove FACDatura wrightii Sacred Thorn-Apple UPLDaucus carota Queen Anne's-Lace UPLDecodon verticillatus Swamp-Loosestrife OBLDelphinium X burkei FACUDelphinium X occidentale UPLDelphinium barbeyi Subalpine Larkspur FACDelphinium geraniifolium Clark Valley Larkspur FACDelphinium glaucescens Electric Peak Larkspur FACUDelphinium glaucum Tower Larkspur FACWDelphinium nuttallianum Two-Lobe Larkspur FACUDelphinium sapellonis Sapello Canyon Larkspur FACDelphinium scopulorum Rocky Mountain Larkspur FACDendrolycopodium dendroideum PrickleyTree-Club-Moss FACDendrolycopodium obscurum Princess-Pine FACUDeschampsia brevifolia Short-Leaf Hair Grass FACW

Deschampsia caespitosa Tufted Hair Grass FACWDeschampsia danthonioides Annual Hair Grass FACWDeschampsia elongata Slender Hair Grass FACDeschampsia flexuosa Wavy Hair Grass UPLDescurainia adenophora FACUDescurainia incana Mountain Tansy-Mustard UPLDesmanthus illinoensis Prairie Bundle-Flower FACUDesmanthus virgatus Wild Tantan FACUDesmodium canadense Showy Tick-Trefoil FACDesmodium incanum Zarzabacoa-Comun FACDesmodium paniculatum Panicled-Leaf Tick-Trefoil UPLDesmodium scorpiurus Scorpion Tick-Trefoil FACUDesmodium tortuosum Dixie Tick-Trefoil FACUDianthus armeria Deptford Pink UPLDianthus deltoides Maiden Pink UPLDiarrhena obovata Hairy Beakgrain FACDichanthelium aciculare Needle-Leaf Rosette Grass FACUDichanthelium acuminatum Tapered Rosette Grass FACDichanthelium boreale Northern Rosette Grass FACUDichanthelium clandestinum Deer-Tongue Rosette Grass FACDichanthelium commutatum Variable Rosette Grass FACDichanthelium consanguineum Blood Rosette Grass FACUDichanthelium dichotomum Cypress Rosette Grass FACDichanthelium latifolium Broad-Leaf Rosette Grass FACUDichanthelium laxiflorum Open-Flower Rosette Grass FACDichanthelium leibergii Leiberg's Rosette Grass FACUDichanthelium leucothrix Rough Rosette Grass FACWDichanthelium oligosanthes Heller's Rosette Grass FACUDichanthelium ovale Egg-Leaf Rosette Grass FACUDichanthelium portoricense Hemlock Rosette Grass FACDichanthelium ravenelii Ravenel's Rosette Grass FACDichanthelium scabriusculum Woolly Rosette Grass OBLDichanthelium scoparium Broom Rosette Grass FACWDichanthelium sphaerocarpon Round-Seed Rosette Grass FACUDichanthelium strigosum Rough-Hair Rosette Grass FACWDichanthium aristatum Angleton's Bluestem FACUDichondra carolinensis Carolina Pony's-Foot FACDichondra micrantha Asian Pony's-Foot FACWDichondra recurvata Oakwoods Pony's-Foot FACDicliptera brachiata Branched Foldwing FACWDicliptera sexangularis Six-Angle Foldwing FACDidiplis diandra Water-Purslane OBLDieteria bigelovii Bigelow's False Tansy-Aster FACWDieteria canescens Hoar False Tansy-Aster UPLDigitalis purpurea Purple Foxglove UPLDigitaria bicornis Asian Crab Grass FACUDigitaria ciliaris Southern Crab Grass FACUDigitaria eriantha Pangola Grass FACUDigitaria insularis Sour Grass FACDigitaria ischaemum Smooth Crab Grass UPLDigitaria sanguinalis Hairy Crab Grass FACUDigitaria violascens Violet Crab Grass FACDinebra nealleyi Nealley's Viper Grass FACWDinebra panicea Needle Viper Grass FACWDinebra panicoides Amazon Viper Grass FACWDinebra viscida Sonoran Viper Grass FACUDiodia teres Poorjoe FACUDiodia virginiana Virginia Buttonweed OBLDioscorea villosa Wild Yam FACDiospyros virginiana Common Persimmon FACDiplachne fusca Bearded Sprangletop FACWDipsacus fullonum Fuller's Teasel FACUDipsacus laciniatus Cut-Leaf Teasel UPLDirca palustris Eastern Leatherwood FAC

Distichlis littoralis Shore Grass OBLDistichlis spicata Coastal Salt Grass FACWDitrysinia fruticosa Gulf Sebastian-Bush FACDodecatheon conjugens Bonneville Shootingstar FACUDodecatheon meadia Pride-of-Ohio FACDodecatheon pulchellum Dark-Throat Shootingstar FACWDoellingeria sericocarpoides Southern White-Top FACWDoellingeria umbellata Parasol White-Top OBLDraba albertina Slender Whitlow-Grass FACDraba aurea Golden Whitlow-Grass FACDraba helleriana Heller's Whitlow-Grass FACUDraba spectabilis Showy Whitlow-Grass FACUDraba stenoloba Alaska Whitlow-Grass UPLDracocephalum parviflorum American Dragonhead FACUDracopis amplexicaulis Clasping-Coneflower FACDrosera X obovata OBLDrosera brevifolia Dwarf Sundew OBLDrosera capillaris Pink Sundew OBLDrosera intermedia Spoon-Leaf Sundew OBLDrosera rotundifolia Round-Leaf Sundew OBLDryas ajanensis Eight-Petal Mountain-Avens UPLDryas integrifolia White Mountain-Avens FACUDrymaria pachyphylla Thick-Leaf Drymary FACUDrymocallis arguta Tall Woodbeauty FACUDrymocallis convallaria Cream Woodbeauty FACUDrymocallis glandulosa Sticky Woodbeauty FACDrymocallis micropetala Little-Petal Woodbeauty FACDrymocallis pseudorupestris FACDryopteris X triploidea FACDryopteris X uliginosa FACDryopteris carthusiana Spinulose Wood Fern FACWDryopteris celsa Log Fern OBLDryopteris cristata Crested Wood Fern OBLDryopteris marginalis Marginal Wood Fern FACUDulichium arundinaceum Three-Way Sedge OBLDysphania ambrosioides Mexican-Tea FACDysphania botrys Jerusalem-Oak FACUEchinochloa colona Jungle-Rice FACWEchinochloa crus-galli Large Barnyard Grass FACEchinochloa crus-pavonis Gulf Cock's-Spur Grass OBLEchinochloa esculenta Japanese Water Grass FACUEchinochloa frumentacea Japanese-Millet UPLEchinochloa muricata Rough Barnyard Grass FACWEchinochloa polystachya Creeping River Grass FACWEchinochloa walteri Long-Awn Cock's-Spur Grass OBLEchinocystis lobata Wild Cucumber FACEchinodorus berteroi Upright Burrhead OBLEchinodorus cordifolius Creeping Burrhead OBLEchinopepon wrightii Wild Balsam-Apple FACEclipta prostrata False Daisy FACWEgeria densa Brazilian-Waterweed OBLEgletes viscosa Erect Tropical Daisy FACWEichhornia azurea Anchored Water-Hyacinth OBLEichhornia crassipes Common Water-Hyacinth OBLElaeagnus angustifolia Russian-Olive FACUElaeagnus commutata American Silver-Berry UPLElatine americana American Waterwort OBLElatine brachysperma Short-Seed Waterwort FACWElatine californica California Waterwort OBLElatine rubella Red-Stem Waterwort OBLEleocharis acicularis Needle Spike-Rush OBLEleocharis albida White Spike-Rush OBLEleocharis atropurpurea Purple Spike-Rush FACWEleocharis baldwinii Baldwin's Spike-Rush FACW

Eleocharis bella Delicate Spike-Rush FACWEleocharis cellulosa Gulf Coast Spike-Rush OBLEleocharis compressa Flat-Stem Spike-Rush FACWEleocharis cylindrica Cylinder Spike-Rush OBLEleocharis elliptica Elliptic Spike-Rush OBLEleocharis engelmannii Engelmann's Spike-Rush FACWEleocharis equisetoides Horsetail-Spike-Rush OBLEleocharis fallax Creeping Spike-Rush OBLEleocharis flavescens Yellow Spike-Rush OBLEleocharis geniculata Capitate Spike-Rush FACWEleocharis intermedia Intermediate Spike-Rush OBLEleocharis interstincta Knotted Spike-Rush OBLEleocharis lanceolata Dagger-Leaf Spike-Rush FACWEleocharis mamillata Soft-Stem Spike-Rush OBLEleocharis melanocarpa Black-Fruit Spike-Rush FACWEleocharis microcarpa Small-Fruit Spike-Rush OBLEleocharis minima Small Spike-Rush OBLEleocharis montana Mountain Spike-Rush OBLEleocharis montevidensis Sand Spike-Rush FACWEleocharis mutata Scallion-Grass OBLEleocharis obtusa Blunt Spike-Rush OBLEleocharis occulta Limestone Spike-Rush FACWEleocharis olivacea Bright-Green Spike-Rush OBLEleocharis palustris Common Spike-Rush OBLEleocharis parishii Parish's Spike-Rush FACWEleocharis parvula Little-Head Spike-Rush OBLEleocharis quadrangulata Square-Stem Spike-Rush OBLEleocharis quinqueflora Few-Flower Spike-Rush OBLEleocharis radicans Rooted Spike-Rush OBLEleocharis ravenelii Rio Grande Spike-Rush OBLEleocharis reverchonii Reverchon's Spike-Rush OBLEleocharis rostellata Beaked Spike-Rush OBLEleocharis suksdorfiana Suksdorf's Spike-Rush OBLEleocharis tenuis Slender Spike-Rush FACWEleocharis tortilis Twisted Spike-Rush FACWEleocharis tuberculosa Cone-Cup Spike-Rush OBLEleocharis vivipara Viviparous Spike-Rush OBLEleocharis wolfii Wolf's Spike-Rush OBLElephantopus carolinianus Carolina Elephant's-Foot FACEleusine indica Indian Goose Grass FACUElionurus tripsacoides Pan-American Balsamscale FACUEllisia nyctelea Aunt Lucy FACUElodea bifoliata Two-Leaf Waterweed OBLElodea canadensis Canadian Waterweed OBLElodea nuttallii Western Waterweed OBLElymus alaskanus Alaska Wild Rye UPLElymus canadensis Nodding Wild Rye FACUElymus curvatus Awnless Wild Rye FACElymus elymoides Western Bottle-Brush Grass UPLElymus glaucus Blue Wild Rye FACUElymus hystrix Eastern Bottle-Brush Grass FACUElymus lanceolatus Streamside Wild Rye FACUElymus repens Creeping Wild Rye FACUElymus riparius River-Bank Wild Rye FACElymus trachycaulus Slender Wild Rye FACUElymus villosus Hairy Wild Rye FACUElymus virginicus Virginia Wild Rye FACElymus wawawaiensis Wawawai Wild Rye FACUElymus wiegandii Wiegand's Wild Rye FACEmilia fosbergii Florida Tassel-Flower UPLEndodeca serpentaria Virginia-Snakeroot FACUEnemion biternatum Eastern False Rue-Anemone FACEpilobium anagallidifolium Pimpernel Willowherb FACEpilobium campestre Smooth Willowherb FACW

Epilobium ciliatum Fringed Willowherb FACWEpilobium clavatum Talus Willowherb FACUEpilobium coloratum Purple-Leaf Willowherb OBLEpilobium glaberrimum Glaucous Willowherb FACWEpilobium hallianum Glandular Willowherb FACWEpilobium hirsutum Codlins-and-Cream FACWEpilobium hornemannii Hornemann's Willowherb FACWEpilobium lactiflorum White-Flower Willowherb FACWEpilobium leptocarpum Slender-Fruit Willowherb FACWEpilobium leptophyllum Bog Willowherb OBLEpilobium minutum Chaparral Willowherb FACUEpilobium oregonense Oregon Willowherb FACWEpilobium palustre Marsh Willowherb OBLEpilobium saximontanum Rocky Mountain Willowherb FACWEpilobium strictum Downy Willowherb OBLEpilobium suffruticosum Shrubby Willowherb FACUEpipactis gigantea Giant Helleborine OBLEpipactis helleborine Helleborine FACUEquisetum X ferrissii FACWEquisetum X litorale OBLEquisetum X mackaii OBLEquisetum X nelsonii OBLEquisetum arvense Field Horsetail FACEquisetum fluviatile Water Horsetail OBLEquisetum hyemale Tall Scouring-Rush FACWEquisetum laevigatum Smooth Scouring-Rush FACEquisetum palustre Marsh Horsetail FACWEquisetum pratense Meadow Horsetail FACWEquisetum scirpoides Dwarf Scouring-Rush FACEquisetum sylvaticum Woodland Horsetail FACWEquisetum variegatum Variegated Scouring-Rush FACWEragrostis cilianensis Stink Grass FACUEragrostis ciliaris Gopher-Tail Love Grass FACUEragrostis elliottii Elliot's Love Grass FACWEragrostis frankii Sandbar Love Grass FACWEragrostis hirsuta Big-Top Love Grass FACUEragrostis hypnoides Teal Love Grass OBLEragrostis japonica Japanese Love Grass OBLEragrostis lugens Mourning Love Grass FACUEragrostis lutescens Six-Weeks Love Grass FACUEragrostis mexicana Mexican Love Grass FACUEragrostis pectinacea Purple Love Grass FACEragrostis pilosa Indian Love Grass FACUEragrostis refracta Meadow Love Grass FACWEragrostis reptans Creeping Love Grass OBLEragrostis secundiflora Red Love Grass FACUEragrostis spectabilis Petticoat-Climber UPLErigeron acris Bitter Fleabane FACErigeron annuus Eastern Daisy Fleabane FACUErigeron bonariensis Asthmaweed FACUErigeron canadensis Canadian Horseweed FACUErigeron coulteri Large Mountain Fleabane FACWErigeron elatior Tall Fleabane FACWErigeron flagellaris Trailing Fleabane FACErigeron formosissimus Beautiful Fleabane FACErigeron glabellus Streamside Fleabane FACWErigeron lonchophyllus Short-Ray Fleabane FACWErigeron melanocephalus Black-Head Fleabane FACErigeron philadelphicus Philadelphia Fleabane FACErigeron procumbens Corpus Christi Fleabane FACWErigeron pulchellus Robin's-Plantain FACUErigeron strigosus Prairie Fleabane FACUEriobotrya japonica Loquat UPLEriocaulon aquaticum Seven-Angle Pipewort OBL

Eriocaulon compressum Flattened Pipewort OBLEriocaulon decangulare Ten-Angle Pipewort OBLEriocaulon koernickianum Gulf Pipewort OBLEriocaulon texense Texas Pipewort OBLEriochloa acuminata Taper-Tip Cup Grass FACEriochloa contracta Prairie Cup Grass FACEriochloa punctata Louisiana Cup Grass FACWEriogonum ovalifolium Cushion Wild Buckwheat UPLEriophorum angustifolium Tall Cotton-Grass OBLEriophorum chamissonis Chamisso's Cotton-Grass OBLEriophorum gracile Slender Cotton-Grass OBLEriophorum russeolum Russet-Bristle Cotton-Grass OBLEriophorum tenellum Few-Nerve Cotton-Grass OBLEriophorum vaginatum Tussock Cotton-Grass OBLEriophorum virginicum Tawny Cotton-Grass OBLEriophorum viridicarinatum Tassel Cotton-Grass OBLErodium botrys Long-Beak Stork's-Bill FACUEryngium heterophyllum Wright's Eryngo FACEryngium hookeri Hooker's Eryngo FACWEryngium integrifolium Blue-Flower Eryngo FACWEryngium nasturtiifolium Hierba-Del-Sapo FACWEryngium prostratum Creeping Eryngo FACWEryngium yuccifolium Button Eryngo FACWErysimum cheiranthoides Worm-Seed Wallflower FACUErythronium albidum Small White Fawn-Lily FACUErythronium rostratum Yellow Trout-Lily FACEuonymus americanus American Strawberry-Bush FACWEuonymus atropurpureus Eastern Wahoo FACUEupatorium capillifolium Dog-Fennel FACUEupatorium compositifolium Yankeeweed FACUEupatorium mohrii Mohr's Thoroughwort FACEupatorium perfoliatum Common Boneset FACWEupatorium rotundifolium Round-Leaf Thoroughwort FACEupatorium semiserratum Small-Flower Thoroughwort FACEupatorium serotinum Late-Flowering Thoroughwort FACEuphorbia commutata Tinted Woodland Spurge FACUEuphorbia cyathophora Fire-on-the-Mountain UPLEuphorbia heterophylla Mexican-Fireplant FACUEuphorbia hirta Pill-Pod Sandmat UPLEuphorbia humistrata Spreading Sandmat FACEuphorbia hypericifolia Graceful Sandmat FACUEuphorbia hyssopifolia Hyssop-Leaf Sandmat FACUEuphorbia maculata Spotted Sandmat FACUEuphorbia marginata Snow-on-the-Mountain FACUEuphorbia nutans Eyebane FACUEuphorbia prostrata Prostrate Sandmat UPLEuphorbia serpens Matted Sandmat FACUEuphorbia spathulata Warty Spurge FACUEuphrosyne acerosa Copperweed UPLEurybia hemispherica Prairie Wood-Aster FACEurybia macrophylla Large-Leaf Wood-Aster FACUEurybia sibirica Siberian Wood-Aster FACEustachys neglecta Four-Spike Finger Grass FACUEustachys petraea Pinewoods Finger Grass FACUEustoma exaltatum Catchfly Prairie-Gentian FACWEuthamia graminifolia Flat-Top Goldentop FACWEuthamia gymnospermoides Texas Goldentop FACEuthamia leptocephala Bushy Goldentop FACEuthamia occidentalis Western Goldentop OBLEutrochium fistulosum Trumpetweed FACWEutrochium maculatum Spotted Trumpetweed OBLEutrochium purpureum Sweet-Scented Joe-Pye-Weed FACEvolvulus sericeus Silver Dwarf-Morning-Glory UPLFagus grandifolia American Beech FACU

Fallopia convolvulus Black-Bindweed FACUFallopia dumetorum Corpse Black-Bindweed FACUFallopia scandens Climbing Black-Bindweed FACUFatoua villosa Hairy Crabweed FACFestuca idahoensis Bluebunch Fescue UPLFestuca paradoxa Clustered Fescue FACFestuca rubra Red Fescue FACFestuca subulata Bearded Fescue UPLFestuca subverticillata Nodding Fescue FACUFestuca trachyphylla Hard Fescue UPLFicaria verna Eurasian-Buttercup FACWFicus carica Common Fig FACUFilipendula ulmaria Queen-of-the-Meadow FACFimbristylis annua Annual Fimbry FACWFimbristylis autumnalis Slender Fimbry OBLFimbristylis caroliniana Carolina Fimbry FACWFimbristylis castanea Marsh Fimbry OBLFimbristylis decipiens Southern Fimbry FACFimbristylis dichotoma Forked Fimbry FACWFimbristylis littoralis Grass-Like Fimbry OBLFimbristylis puberula Hairy Fimbry OBLFimbristylis tomentosa Woolly Fimbry FACWFimbristylis vahlii Vahl's Fimbry FACWFlaveria brownii Brown's Yellowtops FACWFlaveria campestris Alkali Yellowtops FACFlaveria chlorifolia Clasping Yellowtops FACWFlaveria trinervia Clustered Yellowtops FACFleischmannia incarnata Pink Slender-Thoroughwort FACFloerkea proserpinacoides False Mermaidweed FACWForestiera acuminata Eastern Swamp-Privet OBLForestiera ligustrina Upland Swamp-Privet FACForestiera pubescens Stretchberry FACUFragaria chiloensis Beach Strawberry FACUFragaria vesca Woodland Strawberry UPLFragaria virginiana Virginia Strawberry FACUFrangula alnus Glossy False Buckthorn FACFrangula betulifolia Birch-Leaf False Buckthorn FACUFrangula caroliniana Carolina False Buckthorn FACUFraxinus americana White Ash FACUFraxinus berlandieriana Mexican Ash FACFraxinus nigra Black Ash FACWFraxinus pennsylvanica Green Ash FACFraxinus velutina Velvet Ash FACFuirena breviseta Saltmarsh Umbrella Sedge OBLFuirena longa Coastal-Plain Umbrella Sedge OBLFuirena pumila Dwarf Umbrella Sedge OBLFuirena scirpoidea Southern Umbrella Sedge OBLFuirena simplex Western Umbrella Sedge OBLFuirena squarrosa Hairy Umbrella Sedge OBLFunastrum angustifolium Gulf Coast Twinevine OBLFunastrum clausum White Twinevine FACWFunastrum cynanchoides Fringed Twinevine FACUFunkiella confusa Rimrock Ladies'-Braids FACGaillardia pulchella Firewheel UPLGalactia volubilis Downy Milk-Pea FACUGaleopsis tetrahit Brittle-Stem Hemp-Nettle FACUGalinsoga parviflora Gallant-Soldier UPLGalinsoga quadriradiata Shaggy-Soldier FACUGalium aparine Sticky-Willy FACUGalium asprellum Rough Bedstraw OBLGalium boreale Northern Bedstraw FACUGalium brevipes Limestone-Swamp Bedstraw OBLGalium circaezans Licorice Bedstraw FACUGalium concinnum Shining Bedstraw FACU

Galium divaricatum Lamarck's Bedstraw FACGalium labradoricum Northern Bog Bedstraw OBLGalium mexicanum Mexican Bedstraw FACGalium microphyllum Bracted Bedstraw FACGalium obtusum Blunt-Leaf Bedstraw FACWGalium tinctorium Stiff Marsh Bedstraw OBLGalium trifidum Three-Petal Bedstraw OBLGalium triflorum Fragrant Bedstraw FACUGalium uncinulatum Bristly Bedstraw FACGalium uniflorum One-Flower Bedstraw FACUGamochaeta pensylvanica Pennsylvania Everlasting UPLGamochaeta purpurea Spoon-Leaf Purple Everlasting FACUGaultheria hispidula Creeping-Snowberry FACWGaultheria humifusa Alpine Spicy-Wintergreen FACUGaultheria ovatifolia Western Teaberry FACGaultheria procumbens Eastern Teaberry FACUGelsemium sempervirens Evening Trumpet-Flower FACUGentiana affinis Pleated Gentian FACUGentiana alba Yellow Gentian FACGentiana algida Whitish Gentian FACWGentiana andrewsii Closed Bottle Gentian FACGentiana fremontii Moss Gentian OBLGentiana parryi Parry's Gentian FACWGentiana rubricaulis Closed Gentian OBLGentianella amarella Autumn Dwarf-Gentian FACWGentianella wrightii Wright's Dwarf-Gentian FACWGentianopsis barbellata Perennial Fringed-Gentian FACGentianopsis crinita Greater Fringed-Gentian OBLGentianopsis thermalis Rocky Mountain Fringed-Gentian

OBLGentianopsis virgata Lesser Fringed-Gentian OBLGeranium caespitosum Purple Cluster Crane's-Bill FACGeranium maculatum Spotted Crane's-Bill FACUGeranium richardsonii White Crane's-Bill FACGeranium viscosissimum Sticky Purple Crane's-Bill FACUGeum aleppicum Yellow Avens FACUGeum canadense White Avens FACGeum laciniatum Rough Avens FACWGeum macrophyllum Large-Leaf Avens FACWGeum rivale Purple Avens FACWGeum rossii Ross' Avens FACUGeum triflorum Old-Man's-Whiskers FACUGeum vernum Spring Avens FACUGibasis geniculata Tahitian Bridalveil FACGlechoma hederacea Groundivy FACUGleditsia aquatica Water-Locust OBLGleditsia triacanthos Honey-Locust FACUGlinus lotoides Lotus Sweetjuice FACWGlinus radiatus Spreading Sweetjuice FACWGlyceria arkansana Arkansas Manna Grass OBLGlyceria borealis Small Floating Manna Grass OBLGlyceria canadensis Rattlesnake Manna Grass OBLGlyceria elata Tall Manna Grass OBLGlyceria fluitans Water Manna Grass OBLGlyceria grandis American Manna Grass OBLGlyceria septentrionalis Floating Manna Grass OBLGlyceria striata Fowl Manna Grass OBLGlycyrrhiza lepidota American Licorice FACUGnaphalium exilifolium Slender Cudweed FACGnaphalium palustre Western Marsh Cudweed OBLGnaphalium uliginosum Marsh Cudweed FACGomphrena globosa Common Globe-Amaranth UPLGonolobus suberosus Angular-Fruit Anglepod FACWGoodyera oblongifolia Green-Leaf Rattlesnake-Plantain

FACUGoodyera tesselata Checkered Rattlesnake-Plantain

FACUGossypium hirsutum Upland Cotton UPLGraphephorum wolfii FACWGratiola aurea Golden Hedge-Hyssop OBLGratiola brevifolia Sticky Hedge-Hyssop FACWGratiola ebracteata Bractless Hedge-Hyssop OBLGratiola flava Yellow Hedge-Hyssop FACGratiola neglecta Clammy Hedge-Hyssop OBLGratiola quartermaniae Quarterman's Hedge-Hyssop FACGratiola virginiana Round-Fruit Hedge-Hyssop OBLGrindelia ciliata Spanishgold UPLGrindelia squarrosa Curly-Cup Gumweed UPLGymnocarpium dryopteris Northern Oak Fern FACUGymnocarpium robertianum Limestone Oak Fern FACUGynandropsis gynandra Spiderwisp FACHabenaria quinqueseta Long-Horn False Rein Orchid FACWHabenaria repens Water-Spider False Rein Orchid

OBLHabranthus tubispathus Rio Grande Copper-Lily FACWHackelia floribunda Many-Flower Stickseed FACUHackelia virginiana Beggar's-Lice FACUHalenia deflexa American Spurred-Gentian FACHalenia rothrockii Mt. Graham Spurred-Gentian FACHalesia diptera Two-Wing Silverbell FACHalodule wrightii Shoalweed OBLHalophila engelmannii Engelmann's Sea-Grass OBLHamamelis vernalis Ozark Witch-Hazel FACHamamelis virginiana American Witch-Hazel FACHammarbya paludosa OBLHedera helix English Ivy UPLHedysarum alpinum Alpine Sweet-Vetch FACUHelanthium tenellum Dwarf Burhead Pygmy Swordplant

OBLHelenium amarum Yellowdicks FACUHelenium autumnale Fall Sneezeweed FACWHelenium drummondii Fringed Sneezeweed FACWHelenium flexuosum Purple-Head Sneezeweed FACWHelenium microcephalum Small-Head Sneezeweed FACWHelianthella quinquenervis Nodding Dwarf-Sunflower FACWHelianthus angustifolius Swamp Sunflower FACHelianthus annuus Common Sunflower FACUHelianthus ciliaris Texas-Blueweed FACHelianthus debilis Cucumber-Leaf Sunflower FACHelianthus giganteus Giant Sunflower FACHelianthus grosseserratus Saw-Tooth Sunflower FACWHelianthus heterophyllus Variable-Leaf Sunflower OBLHelianthus maximiliani Maximilian Sunflower FACUHelianthus microcephalus Small Woodland Sunflower UPLHelianthus nuttallii Nuttall's Sunflower FACWHelianthus occidentalis Few-Leaf Sunflower FACUHelianthus paradoxus Trans-Pecos Sunflower FACWHelianthus simulans Muck Sunflower FACWHelianthus strumosus Pale-Leaf Woodland Sunflower FACUHelianthus tuberosus Jerusalem-Artichoke FACUHeliopsis helianthoides Smooth Oxeye FACUHeliotropium angiospermum Scorpion's-Tail UPLHeliotropium curassavicum Seaside Heliotrope OBLHeliotropium glabriusculum Green-Eye Heliotrope FACWHeliotropium greggii Fragrant Heliotrope FACWHeliotropium indicum Indian Heliotrope FACWHeliotropium molle Soft Heliotrope FACWHeliotropium procumbens Four-Spike Heliotrope FACW

Helminthotheca echioides Akan Asante UPLHemarthria altissima Limpo Grass FACWHemerocallis fulva Orange Day-Lily FACUHemieva ranunculifolia Buttercup Hemieva FACWHemiscola aculeata FACHeracleum maximum American Cow-Parsnip FACHesperis matronalis Mother-of-the-Evening FACUHeteranthera dubia Grass-Leaf Mud-Plantain OBLHeteranthera limosa Blue Mud-Plantain OBLHeteranthera mexicana Mexican Mud-Plantain OBLHeteranthera reniformis Kidney-Leaf Mud-Plantain OBLHeteropogon contortus Twisted Tanglehead UPLHeuchera americana American Alumroot FACUHeuchera richardsonii Richardson's Alumroot FACUHeuchera rubescens Pink Alumroot FACUHexalectris spicata Spiked Crested-Coralroot UPLHibiscus dasycalyx Neches River Rose-Mallow OBLHibiscus laevis Halberd-Leaf Rose-Mallow OBLHibiscus moscheutos Crimson-Eyed Rose-Mallow OBLHibiscus striatus Striped Rose-Mallow OBLHieracium gronovii Queendevil FACUHippuris vulgaris Common Mare's-Tail OBLHoffmannseggia glauca Waxy Rush-Pea FACHolcus lanatus Common Velvet Grass FACHopia obtusa Vine-Mesquite FACHordeum brachyantherum Meadow Barley FACHordeum jubatum Fox-Tail Barley FACWHordeum marinum Seaside Barley FACUHordeum murinum Wall Barley FACUHordeum pusillum Little Barley FACUHottonia inflata American Featherfoil OBLHoustonia caerulea Quaker-Ladies FACUHoustonia pusilla Tiny Bluet UPLHoustonia wrightii Pygmy Bluet FACUHouttuynia cordata Chameleon FACHumulus japonicus Japanese Hop FACUHumulus lupulus Common Hop FACUHuperzia lucidula Shining Fir-Moss FACWHydrangea arborescens Wild Hydrangea FACUHydrilla verticillata Water-Thyme OBLHydrocotyle bonariensis Coastal Marsh-Pennywort FACWHydrocotyle prolifera Proliferous Marsh-Pennywort OBLHydrocotyle ranunculoides Floating Marsh-Pennywort OBLHydrocotyle sibthorpioides Lawn Marsh-Pennywort FACWHydrocotyle umbellata Many-Flower Marsh-Pennywort OBLHydrocotyle verticillata Whorled Marsh-Pennywort OBLHydrolea ovata Ovate False Fiddleleaf OBLHydrolea spinosa Spiny False Fiddleleaf OBLHydrolea uniflora One-Flower False Fiddleleaf OBLHydrophyllum fendleri Fendler's Waterleaf FACWHydrophyllum virginianum Shawnee-Salad FACHygrophila lacustris Gulf Swampweed OBLHygrophila polysperma Miramar-Weed OBLHymenocallis liriosme Spring Spider-Lily OBLHymenocallis occidentalis Carolina Spider-Lily FACWHymenoxys hoopesii Owl's-Claws FACHymenoxys texana Prairiedawn FACWHyparrhenia rufa Jaragua FACUHypericum canadense Lesser Canadian St. John's-Wort

FACWHypericum cistifolium Round-Pod St. John's-Wort FACWHypericum crux-andreae St. Peter's-Wort FACHypericum drummondii Nits-and-Lice FACUHypericum fasciculatum Peel-Bark St. John's-Wort FACW

Hypericum fraseri Fraser's St. John's-Wort OBLHypericum galioides Bedstraw St. John's-Wort OBLHypericum gentianoides Orange-Grass FACUHypericum gymnanthum Clasping-Leaf St. John's-Wort FACWHypericum hypericoides St. Andrew's-Cross FACUHypericum majus Greater Canadian St. John's-Wort

FACWHypericum mutilum Dwarf St. John's-Wort FACWHypericum nudiflorum Early St. John's-Wort FACWHypericum perforatum Common St. John's-Wort UPLHypericum prolificum Shrubby St. John's-Wort FACUHypericum punctatum Spotted St. John's-Wort FACHypericum sphaerocarpum Round-Seed St. John's-Wort FACUHypericum tubulosum Lesser St. John's-Wort OBLHypericum virginicum Virginia St. John's-Wort OBLHypericum walteri Greater St. John's-Wort OBLHypochaeris radicata Hairy Cat's-Ear UPLHypoxis curtissii Curtiss' Yellow Star-Grass FACWHypoxis hirsuta Eastern Yellow Star-Grass FACWHypoxis rigida Chapman's Yellow Star-Grass FACWHypoxis sessilis Glossy-Seed Yellow Star-Grass

FACHypoxis wrightii Bristle-Seed Yellow Star-Grass FACWHyptis alata Clustered Bush-Mint OBLIlex coriacea Large Gallberry FACWIlex decidua Deciduous Holly FACIlex longipes Georgia Holly FACWIlex opaca American Holly FACUIlex vomitoria Yaupon FACIliamna grandiflora Large-Flower Wild Hollyhock FACWImpatiens aurella Pale-Yellow Touch-Me-Not FACWImpatiens balsamina Garden-Balsam UPLImpatiens capensis Spotted Touch-Me-Not FACWImpatiens pallida Pale Touch-Me-Not FACWImperata brevifolia California Satintail FACImperata cylindrica Cogon Grass FACUIndigofera lindheimeriana Lindheimer's Indigo FACIndigofera suffruticosa Anil-de-Pasto FACIodanthus pinnatifidus Purple-Rocket FACWIpomoea alba Tropical White Morning-Glory FACIpomoea amnicola Red-Center Morning-Glory FACWIpomoea cairica Mile-a-Minute-Vine FACUIpomoea carnea Gloria-de-la-Manana FACUIpomoea coccinea Redstar FACIpomoea cordatotriloba Tievine FACIpomoea hederacea Ivy-Leaf Morning-Glory FACIpomoea imperati Beach Morning-Glory FACIpomoea indica Ocean-Blue Morning-Glory FACIpomoea lacunosa Whitestar FACWIpomoea lindheimeri Lindheimer's Morning-Glory FACUIpomoea pandurata Man-of-the-Earth FACUIpomoea pes-caprae Bay-Hops FACIpomoea purpurea Common Morning-Glory FACUIpomoea quamoclit Cypress-Vine FACUIpomoea sagittata Glade Morning-Glory FACWIpomoea violacea Heavenly-Blue Morning-Glory FACIpomoea wrightii Wright's Morning-Glory FACWIresine diffusa Juba's-Bush FACIresine rhizomatosa Juda's-Bush FACWIris X flexicaulis OBLIris brevicaulis Zigzag Iris OBLIris fulva Copper Iris OBLIris giganticaerulea Giant Blue Iris OBLIris missouriensis Rocky Mountain Iris FACW

Iris pseudacorus Pale-Yellow Iris OBLIris versicolor Harlequin Blueflag OBLIris virginica Virginia Blueflag OBLIsoetes bolanderi Bolander's Quillwort OBLIsoetes butleri Limestone Quillwort OBLIsoetes echinospora Spiny-Spore Quillwort OBLIsoetes lithophila Rock Quillwort OBLIsoetes melanopoda Black-Foot Quillwort OBLIsoetes occidentalis Western Quillwort OBLIsoetes piedmontana Piedmont Quillwort OBLIsolepis carinata Keeled Lateral-Bulrush FACWIsolepis pseudosetacea Gulf Coast Lateral-Bulrush OBLIsotrema tomentosum Woolly Pipevine FACIsotria verticillata Purple Five-Leaf Orchid FACItea virginica Virginia Sweetspire OBLIva annua Annual Marsh-Elder FACIva axillaris Deer-Root FACIva frutescens Jesuit's-Bark FACWIva imbricata Seacoast Marsh-Elder FACWJacquemontia tamnifolia Hairy Clustervine FACJamesia americana Five-Petal Cliffbush FACUJuglans major Arizona Walnut FACJuglans microcarpa Little Walnut FACJuglans nigra Black Walnut FACUJuncus acuminatus Knotty-Leaf Rush OBLJuncus albescens Northern White Rush OBLJuncus alpinoarticulatus Northern Green Rush OBLJuncus anthelatus Kentucky Rush FACWJuncus articulatus Joint-Leaf Rush OBLJuncus balticus Baltic Rush FACWJuncus brachycarpus White-Root Rush FACWJuncus brachycephalus Small-Head Rush OBLJuncus brachyphyllus Short-Leaf Rush FACJuncus brevicaudatus Narrow-Panicle Rush OBLJuncus bufonius Toad Rush OBLJuncus canadensis Canadian Rush OBLJuncus capitatus Leafy-Bract Dwarf Rush FACUJuncus castaneus Chestnut Rush OBLJuncus compressus Round-Fruit Rush FACWJuncus confusus Colorado Rush FACWJuncus coriaceus Leathery Rush OBLJuncus debilis Weak Rush FACWJuncus dichotomus Forked Rush FACWJuncus diffusissimus Slim-Pod Rush FACWJuncus drummondii Drummond's Rush FACWJuncus dudleyi Dudley's Rush FACWJuncus effusus Lamp Rush OBLJuncus ensifolius Dagger-Leaf Rush FACWJuncus filiformis Thread Rush OBLJuncus filipendulus Ring-Seed Rush FACJuncus gerardii Saltmarsh Rush OBLJuncus greenei Greene's Rush FACJuncus interior Inland Rush FACWJuncus longistylis Long-Style Rush FACWJuncus marginatus Bog Rush FACWJuncus megacephalus Big-Head Rush OBLJuncus mertensianus Mertens' Rush OBLJuncus mexicanus Mexican Rush FACWJuncus nevadensis Sierran Rush FACWJuncus nodatus Stout Rush OBLJuncus nodosus Knotted Rush OBLJuncus pelocarpus Brown-Fruit Rush OBLJuncus polycephalos Many-Head Rush OBLJuncus pylaei Common Rush OBL

Juncus repens Lesser Creeping Rush OBLJuncus roemerianus Roemer's Rush OBLJuncus saximontanus Rocky Mountain Rush FACWJuncus scirpoides Needle-Pod Rush FACWJuncus secundus Lopsided Rush FACJuncus stygius Moor Rush OBLJuncus tenuis Lesser Poverty Rush FACJuncus texanus Texas Rush OBLJuncus torreyi Torrey's Rush FACWJuncus trigonocarpus Red-Pod Rush OBLJuncus validus Round-Head Rush FACWJuncus vaseyi Vasey's Rush FACWJuniperus communis Common Juniper UPLJuniperus deppeana Alligator Juniper FACUJuniperus horizontalis Creeping Juniper UPLJuniperus virginiana Eastern Red-Cedar UPLJusticia americana American Water-Willow OBLJusticia lanceolata OBLKickxia elatine Sharp-Leaf Cancerwort FACUKobresia myosuroides Pacific Bog Sedge FACKosteletzkya depressa White Fen-Rose FACKosteletzkya pentacarpos Virginia Fen-Rose OBLKrigia biflora Two-Flower Dwarf-Dandelion FACKrigia caespitosa Weedy Dwarf-Dandelion FACKrigia dandelion Potato Dwarf-Dandelion FACUKrigia virginica Virginia Dwarf-Dandelion FACUKummerowia stipulacea Korean-Clover FACUKummerowia striata Japanese-Clover UPLKyllinga brevifolia Short-Leaf Spike Sedge FACWKyllinga odorata Fragrant Spike Sedge FACWKyllinga pumila Low Spike Sedge FACWLachnagrostis filiformis Common Blown Grass FACULachnocaulon anceps White-Head Bogbutton OBLLackeya multiflora FACULactuca biennis Wild Blue Lettuce FACLactuca canadensis Canadian Blue Lettuce FACULactuca floridana Woodland Lettuce FACLactuca graminifolia Grass-Leaf Lettuce FACLactuca ludoviciana Louisiana Lettuce FACULactuca saligna Willow-Leaf Lettuce FACULactuca serriola Prickly Lettuce FACLactuca tatarica Russian Blue Lettuce UPLLaennecia coulteri Coulter's Woolwort FACWLaguncularia racemosa White Mangrove FACWLandoltia punctata Dotted Duckmeat OBLLantana camara Hedgeflower FACULantana urticoides West Indian Shrub-Verbena FACULaportea canadensis Canadian Wood-Nettle FACLapsana communis Common Nipplewort FACLarix laricina American Larch FACWLathyrus hirsutus Singletary Vetchling FACLathyrus japonicus Sea Vetchling FACULathyrus lanszwertii Nevada Vetchling FACULathyrus palustris Marsh Vetchling FACWLathyrus pusillus Tiny Vetchling FACLathyrus venosus Veiny Vetchling FACLeavenworthia aurea Golden Gladecress FACULeersia hexandra Southern Cut Grass OBLLeersia lenticularis Catchfly Grass OBLLeersia oryzoides Rice Cut Grass OBLLeersia virginica White Grass FACWLemna aequinoctialis Lesser Duckweed OBLLemna gibba Inflated Duckweed OBLLemna minor Common Duckweed OBL

Lemna minuta Least Duckweed OBLLemna obscura Little Duckweed OBLLemna perpusilla Minute Duckweed OBLLemna trisulca Ivy-Leaf Duckweed OBLLemna turionifera Turion Duckweed OBLLemna valdiviana Pale Duckweed OBLLeonotis nepetifolia Christmas-Candlestick FACULeontodon saxatilis Lesser Hawkbit FACLepidium appelianum Globe-Pod Pepperwort FACLepidium densiflorum Miner's Pepperwort FACLepidium latifolium Broad-Leaf Pepperwort FACWLepidium nitidum Shining Pepperwort FACLepidium perfoliatum Clasping Pepperwort FACLepidium thurberi Thurber's Pepperwort UPLLepidium virginicum Poorman's-Pepperwort FACULeptochloa crinita False Rhodes Grass FACULeptochloa virgata Tropical Sprangletop FACLeptosiphon nuttallii Nuttall's Perennial Gily-Flower FACLepuropetalon spathulatum Petiteplant FACWLespedeza capitata Round-Head Bush-Clover UPLLespedeza cuneata Chinese Bush-Clover FACULeucaena leucocephala White Leadtree FACULeucanthemum vulgare Ox-Eye Daisy UPLLeucospora multifida Narrow-Leaf Paleseed FACWLewisia pygmaea Alpine Bitter-Root FACULeymus cinereus Great Basin Lyme Grass UPLLeymus condensatus Giant Lyme Grass FACULeymus triticoides Beardless Lyme Grass FACLiatris acidota Sharp Gayfeather FACLiatris lancifolia Lance-Leaf Gayfeather FACLiatris ligulistylis Strap-Style Gayfeather FACLiatris pycnostachya Cat-Tail Gayfeather FACLigusticum porteri Porter's Wild Lovage FACLigusticum tenuifolium Slender-Leaf Wild Lovage FACLigustrum japonicum Japanese Privet UPLLigustrum sinense Chinese Privet UPLLigustrum vulgare European Privet FACULilium michiganense Michigan Lily FACWLilium philadelphicum Wood Lily FACULimnobium spongia American Spongeplant OBLLimnophila sessiliflora Asian Marshweed OBLLimnosciadium pinnatum Tansy Dogshade FACWLimnosciadium pumilum Prairie Dogshade FACWLimonium carolinianum Carolina Sea-Lavender OBLLimonium limbatum Trans-Pecos Sea-Lavender FACWLimosella acaulis Owyhee Mudwort OBLLimosella aquatica Awl-Leaf Mudwort OBLLindera benzoin Northern Spicebush FACWLindernia dubia Yellow-Seed False Pimpernel OBLLinnaea borealis American Twinflower FACULinum medium Stiff Yellow Flax FACLinum striatum Ridged Yellow Flax FACWLinum virginianum Woodland Flax FACLiparis loeselii Yellow Wide-Lip Orchid OBLLipocarpha aristulata Awned Halfchaff Sedge FACWLipocarpha drummondii Drummond's Halfchaff Sedge FACWLipocarpha micrantha Small-Flower Halfchaff Sedge FACWLippia alba Bushy Mat-Grass FACLiquidambar styraciflua Sweet-Gum FACLiriodendron tulipifera Tuliptree FACULloydia serotina Common Alp-Lily FACULobelia anatina Apache Lobelia FACWLobelia appendiculata Pale Lobelia FACLobelia berlandieri Berlandier's Lobelia FAC

Lobelia cardinalis Cardinal-Flower FACWLobelia fenestralis Fringe-Leaf Lobelia FACLobelia flaccidifolia Fold-Ear Lobelia FACWLobelia inflata Indian-Tobacco FACLobelia kalmii Brook Lobelia OBLLobelia puberula Downy Lobelia FACWLobelia siphilitica Great Blue Lobelia OBLLobelia spicata Pale-Spike Lobelia FACLolium perenne Perennial Rye Grass FACULomatium bicolor Wasatch Desert-Parsley UPLLomatogonium rotatum Marsh-Felwort OBLLonicera X bella FACULonicera canadensis American Fly-Honeysuckle FACULonicera cauriana Sweet-Berry Honeysuckle FACLonicera dioica Limber Honeysuckle FACULonicera hirsuta Hairy Honeysuckle FACLonicera involucrata Four-Line Honeysuckle FACULonicera japonica Japanese Honeysuckle FACULonicera morrowii Morrow's Honeysuckle UPLLonicera oblongifolia Swamp Fly-Honeysuckle OBLLonicera sempervirens Trumpet Honeysuckle FACLonicera tatarica Twinsisters FACULonicera utahensis Rocky Mountain Honeysuckle FACULonicera villosa Mountain Fly-Honeysuckle FACWLotus corniculatus Garden Bird's-Foot-Trefoil FACULotus tenuis Narrow-Leaf Bird's-Foot-Trefoil FACULudwigia alternifolia Seedbox OBLLudwigia decurrens Wing-Leaf Primrose-Willow OBLLudwigia glandulosa Cylindric-Fruit Primrose-Willow OBLLudwigia grandiflora Large-Flower Primrose-Willow OBLLudwigia hirtella Spindleroot OBLLudwigia leptocarpa Angle-Stem Primrose-Willow OBLLudwigia linearis Narrow-Leaf Primrose-Willow OBLLudwigia octovalvis Mexican Primrose-Willow OBLLudwigia palustris Marsh Primrose-Willow OBLLudwigia peploides Floating Primrose-Willow OBLLudwigia peruviana Peruvian Primrose-Willow OBLLudwigia pilosa Hairy Primrose-Willow OBLLudwigia polycarpa Many-Fruit Primrose-Willow OBLLudwigia repens Creeping Primrose-Willow OBLLudwigia sphaerocarpa Globe-Fruit Primrose-Willow OBLLupinus kingii King's Lupine FACLupinus latifolius Broad-Leaf Lupine FACLupinus prunophilus Hairy Big-Leaf Lupine FACULuziola fluitans Southern Water Grass OBLLuzula acuminata Hairy Wood-Rush FACLuzula arcuata Curved Wood-Rush FACULuzula bulbosa Bulbous Wood-Rush FACULuzula comosa Pacific Wood-Rush FACLuzula echinata Hedgehog Wood-Rush FACLuzula multiflora Common Wood-Rush FACLuzula parviflora Small-Flower Wood-Rush UPLLuzula spicata Spiked Wood-Rush FACULuzula subcapitata Colorado Wood-Rush OBLLycium carolinianum Carolina Desert-Thorn FACWLycium torreyi Squawthorn FACLycopodiella alopecuroides Fox-Tail Club-Moss OBLLycopodiella appressa Southern Appressed Club-Moss

OBLLycopodiella prostrata Feather-Stem Club-Moss OBLLycopus X sherardii OBLLycopus americanus Cut-Leaf Water-Horehound OBLLycopus asper Rough Water-Horehound OBLLycopus rubellus Taper-Leaf Water-Horehound OBL

Lycopus uniflorus Northern Water-Horehound OBLLycopus virginicus Virginia Water-Horehound OBLLygodium japonicum Japanese Climbing Fern FACWLyonia ligustrina Maleberry FACWLyonia mariana Piedmont Staggerbush FACLysimachia arvensis Scarlet Yellow-Loosestrife FACULysimachia ciliata Fringed Yellow-Loosestrife FACWLysimachia hybrida Lowland Yellow-Loosestrife OBLLysimachia lanceolata Lance-Leaf Yellow-Loosestrife FACLysimachia maritima Sea-Milkwort OBLLysimachia minima Chaffweed FACWLysimachia nummularia Creeping-Jenny FACWLysimachia quadriflora Four-Flower Yellow-Loosestrife FACWLysimachia radicans Trailing Yellow-Loosestrife FACWLysimachia terrestris Swampcandles OBLLysimachia thyrsiflora Tufted Yellow-Loosestrife OBLLythrum alatum Wing-Angle Loosestrife OBLLythrum californicum California Loosestrife OBLLythrum ovalifolium Low Loosestrife FACWLythrum salicaria Purple Loosestrife OBLMaclura pomifera Osage-Orange FACUMacroptilium atropurpureum Purple Bush-Bean FACUMadia glomerata Mountain Tarplant FACUMagnolia acuminata Cucumber-Tree FACUMagnolia grandiflora Southern Magnolia FACMagnolia tripetala Umbrella Magnolia FACMagnolia virginiana Sweet-Bay OBLMahonia aquifolium Holly-Leaf Oregon-Grape UPLMaianthemum canadense False Lily-of-the-Valley FACUMaianthemum racemosum Feathery False Solomon's-Seal FACMaianthemum stellatum Starry False Solomon's-Seal FACUMaianthemum trifolium Three-Leaf False Solomon's-Seal

OBLMalachra capitata Malva-de-Caballo FACUMalaxis monophyllos White Adder's-Mouth Orchid FACWMalaxis unifolia Green Adder's-Mouth Orchid FACMalvastrum coromandelianum Three-Lobe False Mallow FACMalvaviscus arboreus Wax-Mallow UPLMalvaviscus penduliflorus Mazapan FACMalvella leprosa Alkali-Mallow FACMarrubium vulgare White Horehound FACUMarshallia caespitosa Puffballs FACMarshallia graminifolia Grass-Leaf Barbara's-Buttons OBLMarsilea macropoda Big-Foot Water-Clover OBLMarsilea mutica Australian Water-Clover OBLMarsilea vestita Hairy Water-Clover OBLMatricaria discoidea Pineapple-Weed FACUMatteuccia struthiopteris Ostrich Fern FACWMayaca fluviatilis Stream Bog-Moss OBLMaytenus phyllanthoides Florida Mayten FACMazus pumilus Japanese Mazus FACMecardonia acuminata Axil-Flower FACWMecardonia procumbens Baby-Jump-Up FACWMedicago lupulina Black Medick FACUMedicago polymorpha Toothed Medick FACUMedicago sativa Alfalfa UPLMegathyrsus maximus Guinea Grass FACMelia azedarach China-Berry FACUMelilotus indicus Indian Sweet-Clover FACUMelilotus officinalis Yellow Sweet-Clover FACUMelinis repens Creeping Molasses Grass UPLMelissa officinalis Lemonbalm UPLMelochia corchorifolia Chocolate-Weed FACMelochia pyramidata Pyramid-Flower FAC

Melothria pendula Guadeloupe-Cucumber FACMenispermum canadense Canadian Moonseed FACUMentha X gracilis OBLMentha X piperita FACWMentha X rotundifolia FACMentha aquatica Water Mint FACWMentha arvensis American Wild Mint FACWMentha spicata Spearmint FACWMentha suaveolens Apple Mint FACWMenyanthes trifoliata Buck-Bean OBLMerremia dissecta Noyau-Vine FACMertensia ciliata Tall Fringe Bluebells FACWMertensia franciscana Franciscan Bluebells FACWMertensia oblongifolia Languid-Lady FACMertensia paniculata Tall Bluebells FACMertensia viridis Green Bluebells UPLMicranthemum umbrosum Shade Mudflower OBLMicranthes ferruginea Russet-Hair Pseudosaxifrage OBLMicranthes lyallii Red-Stem Pseudosaxifrage OBLMicranthes nidifica Peak Pseudosaxifrage FACMicranthes occidentalis Mountain Pseudosaxifrage FACMicranthes odontoloma Streambank Pseudosaxifrage FACWMicranthes oregana Bog Pseudosaxifrage OBLMicranthes palmeri Palmer's Pseudosaxifrage FACMicranthes pensylvanica Eastern Swamp Pseudosaxifrage

FACWMicranthes rhomboidea Diamond-Leaf Pseudosaxifrage FACMicranthes texana Texas Pseudosaxifrage FACWMicrostegium vimineum Japanese Stilt Grass FACMicrosteris gracilis Annual-Phlox UPLMikania scandens Climbing Hempvine FACWMilium effusum American Millet Grass FACUMimosa malacophylla Soft-Leaf Mimosa FACWMimosa strigillosa Powderpuff FACMimulus alatus Sharp-Wing Monkey-Flower OBLMimulus breviflorus Short-Flower Monkey-Flower FACWMimulus floribundus Purple-Stem Monkey-Flower OBLMimulus glabratus Round-Leaf Monkey-Flower OBLMimulus guttatus Seep Monkey-Flower OBLMimulus moschatus Muskflower OBLMimulus ringens Allegheny Monkey-Flower OBLMimulus rubellus Little Red-Stem Monkey-Flower FACWMimulus suksdorfii Miniature Monkey-Flower FACWMimulus tilingii Subalpine Monkey-Flower OBLMimulus washingtonensis Washington Monkey-Flower OBLMinuartia muscorum Dixie Stitchwort FACUMinuartia obtusiloba Alpine Stitchwort FACUMinuartia patula Pitcher's Stitchwort FACMinuartia rubella Boreal Stitchwort FACMinuartia stricta Bog Stitchwort FACMirabilis jalapa Marvel-of-Peru UPLMirabilis nyctaginea Heart-Leaf Four-O'clock UPLMiscanthus sinensis Chinese Silver Grass FACUMitchella repens Partridge-Berry FACMitella diphylla Two-Leaf Bishop's-Cap FACUMitella nuda Bare-Stem Bishop's-Cap OBLMitella stauropetala Side-Flower Bishop's-Cap FACMitracarpus hirtus Tropical Girdlepod FACUMitreola petiolata Lax Hornpod FACWMitreola sessilifolia Swamp Hornpod FACWModiola caroliniana Carolina Bristle-Mallow FACMoehringia lateriflora Blunt-Leaf Grove-Sandwort FACUMoehringia macrophylla Large-Leaf Grove-Sandwort UPLMollugo cerviana Thread-Stem Carpetweed FAC

Mollugo verticillata Green Carpetweed FACMomordica charantia Balsam-Pear FACUMonarda fistulosa Oswego-Tea UPLMonarda punctata Spotted Beebalm UPLMonardella odoratissima Alpine Mountainbalm UPLMoneses uniflora Single-Delight FACMonolepis nuttalliana Nuttall's Poverty-Weed FACMonotropa uniflora One-Flower Indian-Pipe UPLMontia chamissoi Chamisso's Candy-Flower OBLMontia linearis Linear-Leaf Candy-Flower FACMontia parvifolia Little-Leaf Candy-Flower FACWMorella caroliniensis Evergreen Bayberry FACMorella cerifera Southern Bayberry FACMorus alba White Mulberry FACUMorus microphylla Texas Mulberry UPLMorus rubra Red Mulberry FACUMuhlenbergia andina Fox-Tail Muhly FACMuhlenbergia asperifolia Alkali Muhly FACWMuhlenbergia capillaris Hair-Awn Muhly FACUMuhlenbergia eludens Gravel-Bar Muhly FACMuhlenbergia expansa Spreading Muhly FACWMuhlenbergia filiformis Pullup Muhly FACWMuhlenbergia frondosa Wire-Stem Muhly FACWMuhlenbergia glabrifloris Smooth Muhly FACMuhlenbergia glomerata Spiked Muhly FACWMuhlenbergia lindheimeri Lindheimer's Muhly FACWMuhlenbergia mexicana Mexican Muhly FACWMuhlenbergia minutissima Least Muhly FACMuhlenbergia montana Mountain Muhly FACUMuhlenbergia racemosa Green Muhly FACWMuhlenbergia ramulosa Ponderosa Muhly FACUMuhlenbergia reverchonii Seep Muhly FACMuhlenbergia richardsonis Matted Muhly FACMuhlenbergia rigens Deer Grass FACUMuhlenbergia schreberi Nimblewill FACUMuhlenbergia sericea Slender Muhly FACUMuhlenbergia sylvatica Woodland Muhly FACWMuhlenbergia tenuiflora Slim-Flower Muhly FACUMuhlenbergia uniflora Bog Muhly OBLMuhlenbergia utilis Aparejo Grass FACWMuhlenbergia wrightii Wright's Muhly FACUMurdannia nudiflora Naked-Stem Dewflower FACWMyosotis arvensis Rough Forget-Me-Not FACMyosotis asiatica Asian Forget-Me-Not FACMyosotis discolor Yellow Scorpion-Grass FACUMyosotis laxa Bay Forget-Me-Not OBLMyosotis macrosperma Large-Seed Forget-Me-Not FACMyosotis scorpioides True Forget-Me-Not OBLMyosotis sylvatica Woodland Forget-Me-Not FACUMyosotis verna Spring Forget-Me-Not FACMyosoton aquaticum Giant-Chickweed FACMyosurus apetalus Bristly Mousetail FACWMyosurus minimus Tiny Mousetail FACWMyrica gale Sweetgale OBLMyriophyllum aquaticum Parrot's-Feather OBLMyriophyllum heterophyllum Two-Leaf Water-Milfoil OBLMyriophyllum humile Low Water-Milfoil OBLMyriophyllum pinnatum Cut-Leaf Water-Milfoil OBLMyriophyllum sibiricum Siberian Water-Milfoil OBLMyriophyllum spicatum Eurasian Water-Milfoil OBLMyriophyllum tenellum Slender Water-Milfoil OBLMyriophyllum verticillatum Whorled Water-Milfoil OBLNabalus albus White Rattlesnake-Root FACUNabalus altissimus Tall Rattlesnake-Root UPL

Nabalus racemosus Purple Rattlesnake-Root FACUNajas flexilis Wavy Waternymph OBLNajas gracillima Slender Waternymph OBLNajas guadalupensis Guadalupe Waternymph OBLNajas marina Holly-Leaf Waternymph OBLNajas minor Brittle Waternymph OBLNama jamaicense Jamaican-Weed FACWNama stenocarpum Mud Fiddleleaf FACWNama torynophyllum Matted Fiddleleaf FACWNasturtium microphyllum One-Row Watercress OBLNasturtium officinale Watercress OBLNavarretia breweri Yellow Pincushion-Plant FACNavarretia intertexta Needle-Leaf Pincushion-Plant FACWNavarretia leucocephala White-Flower Pincushion-Plant OBLNavarretia saximontana Rocky Mountain Pincushion-Plant

FACWNelumbo lutea American Lotus OBLNelumbo nucifera Sacred Lotus OBLNemophila aphylla Small-Flower Baby-Blue-Eyes FACNeoholmgrenia andina FACUNeokochia americana Green-Molly FACNeottia banksiana Northwestern Twayblade FACUNeottia bifolia Southern Twayblade FACWNeottia convallarioides Broad-Lip Twayblade FACWNeottia cordata Heart-Leaf Twayblade FACUNepeta cataria Catnip FACUNephrolepis exaltata Boston Sword Fern FACUNeptunia lutea Yellow Puff FACUNeptunia microcarpa Little-Fruit Puff FACNeptunia plena Water-Dead-and-Awake FACWNeptunia pubescens Tropical Puff FACNesaea longipes Stalkflower FACWNicotiana attenuata Coyote Tobacco FACNicotiana glauca Tree Tobacco FACNicotiana obtusifolia Desert Tobacco FACUNicotiana plumbaginifolia Tex-Mex Tobacco FACNicotiana repanda Fiddle-Leaf Tobacco FACNicotiana tabacum Cultivated Tobacco UPLNomaphila stricta Stiff Bear-Grass OBLNothoscordum bivalve Crowpoison FACUNuphar advena Yellow Pond-Lily OBLNuphar polysepala OBLNuphar variegata OBLNymphaea ampla Dot-Leaf Water-Lily OBLNymphaea elegans Tropical Royal-Blue Water-Lily OBLNymphaea leibergii Dwarf Water-Lily OBLNymphaea mexicana Banana Water-Lily OBLNymphaea odorata American White Water-Lily OBLNymphoides aquatica Big Floatingheart OBLNymphoides humboldtiana OBLNymphoides peltata Yellow Floatingheart OBLNyssa aquatica Water Tupelo OBLNyssa biflora Swamp Tupelo OBLNyssa sylvatica Black Tupelo FACOenothera biennis King's-Cureall FACUOenothera canescens Spotted Evening-Primrose FACOenothera coloradensis FACOenothera curtiflora Velvetweed UPLOenothera elata Hooker's Evening-Primrose FACWOenothera flava Long-Tube Evening-Primrose FACWOenothera fruticosa Narrow-Leaf Evening-Primrose FACOenothera jamesii Trumpet Evening-Primrose FACWOenothera kunthiana Kunth's Evening-Primrose FACUOenothera laciniata Cut-Leaf Evening-Primrose FACU

Oenothera parviflora Northern Evening-Primrose FACUOenothera perennis Small Evening-Primrose FACOenothera rhombipetala Greater Four-Point Evening-Primrose

FACUOenothera rosea Rose Evening-Primrose FACWOenothera tetraptera Four-Wing Evening-Primrose FACOenothera villosa Hairy Evening-Primrose FACUOldenlandia boscii Bosc's Mille-Graines FACWOldenlandia uniflora Clustered Mille-Graines FACWOnoclea sensibilis Sensitive Fern FACWOphioglossum californicum California Adder's-Tongue FACOphioglossum crotalophoroides BulbousAdder's-Tongue FACOphioglossum engelmannii Limestone Adder's-Tongue FACUOphioglossum petiolatum Long-Stem Adder's-Tongue FACWOphioglossum pusillum Northern Adder's-Tongue FACWOphioglossum vulgatum Southern Adder's-Tongue FACWOplismenus hirtellus Long-Leaf Basket Grass FACUOplopanax horridus Devil's-Club FACUOpuntia stricta Erect Prickly-Pear FACUOrbexilum pedunculatum Sampson's-Snakeroot FACUOrbexilum simplex Single-Stem Leather-Root FACOrnithogalum umbellatum Sleepydick FACUOrobanche riparia River Broom-Rape FACWOrobanche uniflora Naked Broom-Rape UPLOrthilia secunda Sidebells FACUOrthocarpus luteus Golden-Tongue Owl-Clover FACUOryza sativa Cultivated Rice OBLOsmorhiza berteroi Mountain Sweet-Cicely FACUOsmorhiza claytonii Hairy Sweet-Cicely FACUOsmorhiza longistylis Aniseroot FACOsmorhiza purpurea Purple Sweet-Cicely FACOsmunda claytoniana Interrupted Fern FACOsmunda spectabilis Royal Fern OBLOsmundastrum cinnamomeum Cinnamon Fern FACWOstrya knowltonii Knowlton's Hop-Hornbeam FACOstrya virginiana Eastern Hop-Hornbeam FACUOxalis corniculata Creeping Yellow Wood-Sorrel FACUOxalis dillenii Slender Yellow Wood-Sorrel FACUOxalis stricta Upright Yellow Wood-Sorrel FACUOxypolis fendleri Fendler's Cowbane FACWOxypolis rigidior Stiff Cowbane OBLOxyria digyna Mountain-Sorrel FACOxytropis deflexa Pendant-Pod Locoweed FACUOxytropis lambertii Stemless Locoweed UPLOxytropis parryi Parry's Locoweed FACUOxytropis splendens Whorled Locoweed FACUOzomelis trifida Pacific Mitrewort FACPackera aurea Golden Groundsel FACWPackera crocata Saffron Groundsel FACPackera debilis Weak-Stem Groundsel FACWPackera dimorphophylla Two-Leaf Groundsel FACUPackera glabella Cress-Leaf Groundsel FACWPackera hartiana Hart's Groundsel FACWPackera heterophylla Dwarf Arctic Groundsel FACUPackera indecora Rayless Mountain Groundsel FACWPackera obovata Round-Leaf Groundsel FACUPackera pauciflora Rayless Alpine Groundsel FACPackera paupercula Balsam Groundsel FACPackera plattensis Prairie Groundsel FACUPackera pseudaurea Streambank Groundsel FACWPackera spellenbergii Carrizo Creek Groundsel FACUPackera streptanthifolia Rocky Mountain Groundsel UPLPackera subnuda Buek's Groundsel OBL

Packera tampicana Great Plains Groundsel FACWPackera tomentosa Woolly Groundsel FACUPanicum amarum Bitter Panic Grass FACUPanicum bergii Berg's Panic Grass FACWPanicum brachyanthum Prairie Panic Grass FACUPanicum capillare Common Panic Grass FACPanicum coloratum Blue Panic Grass FACPanicum dichotomiflorum Fall Panic Grass FACPanicum diffusum West Indian Panic Grass FACPanicum flexile Wiry Panic Grass FACWPanicum ghiesbreghtii Ghiesbreght's Panic Grass FACWPanicum hallii Hall's Panic Grass FACUPanicum hemitomon Maiden-Cane OBLPanicum hillmanii Hillman's Panic Grass FACUPanicum philadelphicum Philadelphia Panic Grass FACPanicum repens Torpedo Grass FACPanicum verrucosum Warty Panic Grass FACWPanicum virgatum Wand Panic Grass FACParapholis incurva Curved Sickle Grass FACUParentucellia viscosa Yellow Glandweed FACParietaria floridana Florida Pellitory FACUParietaria hespera Rillita Pellitory FACUParietaria pensylvanica Pennsylvania Pellitory FACParkinsonia aculeata Mexican Palo-Verde FACParnassia asarifolia Kidney-Leaf Grass-of-Parnassus

OBLParnassia fimbriata Fringed Grass-of-Parnassus OBLParnassia glauca Fen Grass-of-Parnassus OBLParnassia grandifolia Large-Leaf Grass-of-Parnassus OBLParnassia kotzebuei Kotzebue's Grass-of-Parnassus

OBLParnassia palustris Marsh Grass-of-Parnassus OBLParnassia parviflora Small-Flower Grass-of-Parnassus

OBLParthenium hysterophorus Santa Maria Feverfew FACParthenocissus inserta Thicket-Creeper FACParthenocissus quinquefolia Virginia-Creeper FACUPascopyrum smithii Western-Wheat Grass FACUPaspalidium geminatum Egyptian Water Crown Grass OBLPaspalum acuminatum Brook Crown Grass OBLPaspalum bifidum Pitchfork Crown Grass FACPaspalum boscianum Bull Crown Grass FACWPaspalum conjugatum Sour Crown Grass FACPaspalum denticulatum Pull-and-Be-Damned OBLPaspalum dilatatum Golden Crown Grass FACPaspalum dissectum Mudbank Crown Grass OBLPaspalum distichum Jointed Crown Grass FACWPaspalum floridanum Florida Crown Grass FACWPaspalum hartwegianum Hartweg's Crown Grass FACWPaspalum laeve Field Crown Grass FACWPaspalum monostachyum Gulf Dune Crown Grass FACWPaspalum notatum Bahia Grass FACPaspalum plicatulum Brown-Seed Crown Grass FACPaspalum praecox Early Crown Grass FACWPaspalum pubiflorum Hairy-Seed Crown Grass FACWPaspalum racemosum Peruvian Crown Grass FACPaspalum repens Horse-Tail Crown Grass OBLPaspalum setaceum Slender Crown Grass FACPaspalum urvillei Vasey's Grass FACWPaspalum vaginatum Seashore Crown Grass FACWPaspalum virgatum Talquezal FACWPassiflora foetida Scarlet-Fruit Passion-Flower FACPassiflora suberosa Corky-Stem Passion-Flower UPLPaulownia tomentosa Princesstree UPL

Paxistima myrsinites Oregon Boxleaf FACUPectiantia breweri FACPectiantia pentandra FACPedicularis canadensis Canadian Lousewort FACUPedicularis contorta White Coil-Beak Lousewort FACUPedicularis crenulata Purple-Flower Lousewort FACWPedicularis fluviatilis Marsh Lousewort FACUPedicularis groenlandica Bull Elephant's-Head OBLPedicularis lanceolata Swamp Lousewort OBLPedicularis parryi Parry's Lousewort FACPedicularis procera Giant Lousewort FACPedicularis scopulorum Rocky Mountain Lousewort FACWPellaea ternifolia Trans-Pecos Cliffbrake FACUPeltandra virginica Green Arrow-Arum OBLPenstemon attenuatus Sulphur Beardtongue FACUPenstemon baccharifolius Baccharis-Leaf Beardtongue FACUPenstemon digitalis Foxglove Beardtongue FACWPenstemon gracilis Lilac Beardtongue FACUPenstemon laxiflorus Nodding Beardtongue FACPenstemon lyallii Lyall's Beardtongue FACUPenstemon pallidus Pale Beardtongue FACUPenstemon procerus Pincushion Beardtongue UPLPenstemon rydbergii Meadow Beardtongue FACPenstemon virgatus Upright Blue Beardtongue FACUPenstemon whippleanus Dark Beardtongue FACUPenthorum sedoides Ditch-Stonecrop OBLPerideridia gairdneri Common Yampah FACUPerideridia parishii Parish's Yampah FACPerilla frutescens Beefsteakplant FACPeritoma lutea Yellow Beeplant FACUPeritoma multicaulis Playa Beeplant FACWPeritoma serrulata Rocky Mountain Beeplant FACUPersea borbonia Red Bay FACWPersea palustris Swamp Bay FACWPersicaria amphibia Water Smartweed OBLPersicaria arifolia Halberd-Leaf Tearthumb OBLPersicaria bicornis Pink Knotweed FACWPersicaria glabra Smooth Smartweed OBLPersicaria hydropiper Mild Water-Pepper OBLPersicaria hydropiperoides Swamp Smartweed OBLPersicaria lapathifolia Dock-Leaf Smartweed OBLPersicaria maculosa Spotted Lady's-Thumb FACWPersicaria orientalis Kiss-Me-Over-the-Garden-Gate FACWPersicaria pensylvanica Pinkweed FACWPersicaria punctata Dotted Smartweed OBLPersicaria robustior Stout Smartweed OBLPersicaria sagittata Arrow-Leaf Tearthumb OBLPersicaria setacea Bog Smartweed OBLPersicaria virginiana Jumpseed FACPetasites frigidus Arctic Sweet-Colt's-Foot FACPhacelia heterophylla Variable-Leaf Scorpion-Weed FACPhacelia laxa Coastal Scorpion-Weed FACPhalaris angusta Timothy Canary Grass FACWPhalaris aquatica Harding Grass FACPhalaris arundinacea Reed Canary Grass FACWPhalaris brachystachys Short-Spike Canary Grass FACWPhalaris canariensis Common Canary Grass FACUPhalaris caroliniana May Grass FACWPhanopyrum gymnocarpon Savannah-Panic Grass OBLPhegopteris connectilis Narrow Beech Fern FACUPhegopteris hexagonoptera Broad Beech Fern FACPhleum alpinum Mountain Timothy FACPhleum pratense Common Timothy FACUPhlox carolina Thick-Leaf Phlox FACU

Phlox divaricata Wild Blue Phlox FACUPhlox glaberrima Smooth Phlox FACPhlox kelseyi Marsh Phlox FACPhlox paniculata Fall Phlox FACUPhlox pilosa Downy Phlox FACUPhragmites australis Common Reed FACWPhragmites karka Tropical Reed FACWPhryma leptostachya American Lopseed FACUPhyla cuneifolia Wedgeleaf FACPhyla fruticosa Diamond-Leaf Frogfruit FACPhyla lanceolata Northern Frogfruit FACWPhyla nodiflora Turkey-Tangle FACPhyllanthus caroliniensis Carolina Leaf-Flower FACPhyllanthus evanescens Bird-Seed Leaf-Flower FACWPhyllanthus urinaria Chamber-Bitter FACPhyllodoce empetriformis Pink Mountain-Heath FACUPhyllodoce glanduliflora Yellow Mountain-Heath FACUPhyllostachys nigra Black Bamboo FACUPhysalis angulata Cut-Leaf Ground-Cherry FACPhysalis philadelphica Mexican Ground-Cherry UPLPhysalis pubescens Husk-Tomato FACUPhysocarpus monogynus Mountain Ninebark FACUPhysocarpus opulifolius Atlantic Ninebark FACUPhysostegia angustifolia Narrow-Leaf False Dragonhead FACWPhysostegia correllii Correll's False Dragonhead OBLPhysostegia digitalis Finger False Dragonhead FACWPhysostegia intermedia Slender False Dragonhead OBLPhysostegia ledinghamii Ledingham's False Dragonhead

OBLPhysostegia parviflora Western False Dragonhead FACWPhysostegia pulchella Showy False Dragonhead FACWPhysostegia virginiana Obedient-Plant FACWPhytolacca americana American Pokeweed FACUPicea engelmannii Engelmann's Spruce FACPicea glauca White Spruce FACUPicea mariana Black Spruce FACWPicea pungens Blue Spruce FACPilea fontana Lesser Clearweed OBLPilea pumila Canadian Clearweed FACPilularia americana American Pillwort OBLPinguicula macroceras California Butterwort OBLPinguicula pumila Small Butterwort OBLPinus banksiana Jack Pine FACUPinus contorta Lodgepole Pine FACUPinus elliottii Slash Pine FACPinus palustris Long-Leaf Pine FACPinus ponderosa Ponderosa Pine UPLPinus resinosa Red Pine FACUPinus strobus Eastern White Pine FACUPinus taeda Loblolly Pine FACPiperia dilatata Scentbottle FACWPiperia unalascensis Alaska Rein Orchid FACUPiptochaetium avenaceum Black-Seed Spear Grass UPLPistia stratiotes Water-Lettuce OBLPithecellobium dulce Monkeypod UPLPityopsis graminifolia Narrow-Leaf Silk-Grass FACUPlagiobothrys hispidulus Harsh Popcorn-Flower FACWPlagiobothrys leptocladus Alkali Popcorn-Flower FACWPlanera aquatica Planertree OBLPlanodes virginicum Virginia Winged Rockcress FACPlantago arenaria Sand Plantain FACUPlantago coronopus Buck-Horn Plantain FACPlantago elongata Prairie Plantain FACWPlantago eriopoda Red-Woolly Plantain FAC

Plantago heterophylla Slender Plantain FACWPlantago lanceolata English Plantain FACPlantago major Great Plantain FACPlantago ovata Blond Plantain FACPlantago pusilla Dwarf Plantain FACPlantago rhodosperma Red-Seed Plantain FACUPlantago rugelii Black-Seed Plantain FACUPlantago virginica Pale-Seed Plantain FACUPlatanthera X smithii FACPlatanthera aquilonis Bog Orchid OBLPlatanthera brevifolia Short-Leaf Fringed Orchid FACUPlatanthera ciliaris Yellow Fringed Orchid FACWPlatanthera clavellata Green Woodland Orchid OBLPlatanthera cristata Crested Yellow Orchid OBLPlatanthera flava Pale-Green Orchid FACWPlatanthera hookeri Hooker's Orchid FACPlatanthera huronensis Lake Huron Green Orchid OBLPlatanthera lacera Green Fringed Orchid FACWPlatanthera leucophaea Prairie White Fringed Orchid OBLPlatanthera limosa Thurber's Bog Orchid OBLPlatanthera nivea Snowy Orchid FACWPlatanthera obtusata Blunt-Leaf Orchid FACWPlatanthera orbiculata Lesser Round-Leaf Orchid FACPlatanthera psycodes Lesser Purple Fringed Orchid FACWPlatanthera sparsiflora Canyon Bog Orchid FACWPlatanthera stricta Slender Bog Orchid FACWPlatanthera tescamnis Intermountain Bog Orchid OBLPlatanus occidentalis American Sycamore FACPleopeltis polypodioides Resurrection Fern FACUPluchea baccharis Rosy Camphorweed FACWPluchea camphorata Plowman's-Wort FACWPluchea foetida Stinking Camphorweed FACWPluchea odorata Sweetscent FACWPluchea sericea Arrow-Weed FACPlumbago zeylanica Wild Leadwort FACPoa abbreviata Northern Blue Grass FACPoa alpina Alpine Blue Grass FACUPoa annua Annual Blue Grass FACUPoa arctica Arctic Blue Grass FACWPoa arida Prairie Blue Grass FACPoa autumnalis Autumn Blue Grass FACPoa bulbosa Bulbous Blue Grass FACUPoa chapmaniana Chapman's Blue Grass FACUPoa compressa Flat-Stem Blue Grass FACUPoa interior Inland Blue Grass FACPoa leptocoma Marsh Blue Grass OBLPoa nemoralis Forest Blue Grass FACUPoa palustris Fowl Blue Grass FACWPoa pratensis Kentucky Blue Grass FACUPoa reflexa Nodding Blue Grass OBLPoa secunda Curly Blue Grass FACUPoa stenantha Narrow-Flower Blue Grass FACPoa sylvestris Woodland Blue Grass FACPoa trivialis Rough-Stalk Blue Grass FACWPodagrostis humilis Alpine False Bent FACWPodophyllum peltatum May-Apple FACUPogonia ophioglossoides Snake-Mouth Orchid OBLPolanisia dodecandra Red-Whisker Clammyweed FACUPolemonium foliosissimum Towering Jacob's-Ladder FACPolemonium micranthum Annual Jacob's-Ladder FACUPolemonium occidentale Western Jacob's-Ladder FACWPolemonium reptans Greek-Valerian FACPolygala ambigua Alternate Milkwort FACUPolygala cruciata Drumheads OBL

Polygala incarnata Procession-Flower FACPolygala mariana Maryland Milkwort FACWPolygala polygama Racemed Milkwort FACUPolygala ramosa Low Pine-Barren Milkwort OBLPolygala sanguinea Purple Milkwort FACWPolygala senega Seneca-Snakeroot FACUPolygala tenella Swamp Milkwort FACWPolygala verticillata Whorled Milkwort FACUPolygaloides paucifolia Gaywings FACUPolygonatum biflorum King Solomon's-Seal FACUPolygonatum pubescens Hairy Solomon's-Seal FACUPolygonum achoreum Leathery Knotweed FACUPolygonum argyrocoleon Silver-Sheath Knotweed OBLPolygonum austiniae Mrs. Austin's Knotweed FACUPolygonum aviculare Yard Knotweed FACUPolygonum douglasii Douglas' Knotweed FACUPolygonum engelmannii Engelmann's Knotweed FACUPolygonum erectum Erect Knotweed FACPolygonum kelloggii Kellogg's Knotweed FACWPolygonum minimum Zigzag Knotweed FACPolygonum patulum Bellard's Knotweed FACWPolygonum ramosissimum Yellow-Flower Knotweed FACWPolygonum sawatchense Sawatch Knotweed FACUPolygonum spergulariiforme Fall Knotweed FACUPolygonum striatulum Striped Knotweed FACWPolypogon elongatus Streambank Rabbit's-Foot Grass

OBLPolypogon interruptus Ditch Rabbit's-Foot Grass OBLPolypogon maritimus Maritime Rabbit's-Foot Grass FACWPolypogon monspeliensis Annual Rabbit's-Foot Grass FACWPolypogon viridis Beardless Rabbit's-Foot Grass FACWPolypremum procumbens Juniper-Leaf UPLPolystichum acrostichoides Christmas Fern FACUPolystichum lonchitis Northern Holly Fern FACUPolystichum munitum Pineland Sword Fern FACUPontederia cordata Pickerelweed OBLPopulus X acuminata FACPopulus X hinckleyana FACPopulus angustifolia Narrow-Leaf Cottonwood FACWPopulus balsamifera Balsam Poplar FACWPopulus deltoides Eastern Cottonwood FACPopulus grandidentata Big-Tooth Aspen FACUPopulus tremuloides Quaking Aspen FACPortulaca grandiflora Rose-Moss UPLPortulaca halimoides Silk-Cotton Purslane FACWPortulaca oleracea Little-Hogweed FACPortulaca pilosa Kiss-Me-Quick FACUPortulaca umbraticola Wing-Pod Purslane FACPotamogeton X faxonii OBLPotamogeton X nericus OBLPotamogeton X spathuliformis OBLPotamogeton alpinus Reddish Pondweed OBLPotamogeton amplifolius Large-Leaf Pondweed OBLPotamogeton berchtoldii Little Aguja Pondweed OBLPotamogeton crispus Curly Pondweed OBLPotamogeton diversifolius Waterthread OBLPotamogeton epihydrus Ribbon-Leaf Pondweed OBLPotamogeton foliosus Leafy Pondweed OBLPotamogeton friesii Flat-Stalk Pondweed OBLPotamogeton gramineus Grassy Pondweed OBLPotamogeton illinoensis Illinois Pondweed OBLPotamogeton natans Broad-Leaf Pondweed OBLPotamogeton nodosus Long-Leaf Pondweed OBLPotamogeton obtusifolius Blunt-Leaf Pondweed OBL

Potamogeton praelongus White-Stem Pondweed OBLPotamogeton pulcher Spotted Pondweed OBLPotamogeton pusillus Small Pondweed OBLPotamogeton richardsonii Red-Head Pondweed OBLPotamogeton robbinsii Fern Pondweed OBLPotamogeton spirillus Spiral Pondweed OBLPotamogeton strictifolius Straight-Leaf Pondweed OBLPotamogeton vaseyi Vasey's Pondweed OBLPotamogeton zosteriformis Flat-Stem Pondweed OBLPotentilla X nana FACPotentilla anserina Silverweed FACWPotentilla argentea Silver-Leaf Cinquefoil FACUPotentilla biennis Biennial Cinquefoil FACWPotentilla glaucophylla Mountain-Meadow Cinquefoil FACWPotentilla gracilis Graceful Cinquefoil FACPotentilla indica Indian-Strawberry FACPotentilla norvegica Norwegian Cinquefoil FACPotentilla pensylvanica Pennsylvania Cinquefoil FACUPotentilla plattensis Platte River Cinquefoil FACWPotentilla pulcherrima Soft Cinquefoil FACPotentilla rivalis Brook Cinquefoil FACWPotentilla rubricaulis Rocky Mountain Cinquefoil FACUPotentilla simplex Oldfield Cinquefoil UPLPotentilla supina Bushy Cinquefoil FACWPotentilla thurberi Scarlet Cinquefoil FACWPoterium sanguisorba FACUPrimula angustifolia Alpine Primrose FACPrimula egaliksensis Greenland Primrose FACWPrimula incana Silvery Primrose FACWPrimula mistassinica Lake Mistassini Primrose FACWPrimula parryi Brook Primrose FACPrimula rusbyi Rusby's Primrose FACProboscidea louisiana Ram's-Horn FACUProsartes trachycarpa Rough-Fruit Fairybells UPLProserpinaca palustris Marsh Mermaidweed OBLProserpinaca pectinata Comb-Leaf Mermaidweed OBLProsopis glandulosa Honey Mesquite FACUProsopis pubescens American Screw-Bean FACProsopis velutina Velvet Mesquite FACUPrunella vulgaris Common Selfheal FACPrunus americana American Plum UPLPrunus avium Sweet Cherry UPLPrunus caroliniana Carolina Laurel Cherry FACUPrunus emarginata Bitter Cherry FACPrunus nigra Canadian Plum FACUPrunus padus European Bird Cherry UPLPrunus pensylvanica Fire Cherry FACUPrunus serotina Black Cherry FACUPrunus virginiana Choke Cherry FACUPsathyrostachys juncea Russian-Wild Rye FACUPseudognaphalium canescens Wright's Rabbit-Tobacco UPLPseudognaphalium luteoalbum Jersey Rabbit-Tobacco FACPseudognaphalium stramineumCotton-Batting-Plant FACPseudolycopodiella caroliniana Carolina False Clubmoss FACWPseudotsuga menziesii Douglas-Fir FACUPsilactis asteroides New Mexico Bare-Ray-Aster FACWPsilocarphus brevissimus Dwarf Woollyheads FACWPsilotum nudum Whisk Fern FACWPtelea trifoliata Common Hoptree FACPteridium aquilinum Northern Bracken Fern FACUPteris vittata Ladder Brake FACPterocaulon virgatum Wand Blackroot FACPtilimnium capillaceum Herbwilliam FACW

Ptilimnium costatum Ribbed Mock Bishopweed OBLPtilimnium nuttallii Laceflower FACWPuccinellia distans Spreading Alkali Grass FACWPuccinellia lemmonii Lemmon's Alkali Grass FACWPuccinellia nuttalliana Nuttall's Alkali Grass OBLPueraria montana Kudzu UPLPycnanthemum albescens White-Leaf Mountain-Mint FACPycnanthemum muticum Clustered Mountain-Mint UPLPycnanthemum tenuifolium Narrow-Leaf Mountain-Mint FACPycnanthemum verticillatum Whorled Mountain-Mint FACWPycnanthemum virginianum Virginia Mountain-Mint FACPyrola americana American Wintergreen FACUPyrola asarifolia Pink Wintergreen FACUPyrola chlorantha Green-Flower Wintergreen FACUPyrola elliptica Shinleaf UPLPyrola minor Snowline Wintergreen FACUPyrrocoma lanceolata Lance-Leaf Goldenweed FACUPyrrocoma uniflora Plantain Goldenweed FACQuercus X macnabiana FACUQuercus alba Northern White Oak FACUQuercus falcata Southern Red Oak FACUQuercus hemisphaerica Darlington's Oak FACWQuercus imbricaria Shingle Oak FACQuercus laurifolia Laurel Oak FACWQuercus lyrata Overcup Oak OBLQuercus macrocarpa Burr Oak FACUQuercus michauxii Swamp Chestnut Oak FACWQuercus muehlenbergii Chinkapin Oak FACQuercus nigra Water Oak FACQuercus pagoda Cherry-Bark Oak FACQuercus palustris Pin Oak FACQuercus phellos Willow Oak FACWQuercus prinoides Dwarf Chinkapin Oak UPLQuercus rubra Northern Red Oak FACUQuercus shumardii Shumard's Oak FACQuercus similis Bottom-Land Post Oak FACWQuercus stellata Post Oak FACUQuercus texana Texas Red Oak FACWQuercus virginiana Live Oak FACUQuincula lobata Chinese-Lantern UPLRanunculus abortivus Kidney-Leaf Buttercup FACRanunculus acriformis Sharp-Leaf Buttercup FACWRanunculus acris Tall Buttercup FACWRanunculus adoneus Alpine Buttercup FACWRanunculus alismifolius Water-Plantain Buttercup OBLRanunculus aquatilis White Water-Crowfoot OBLRanunculus arcticus Northern Buttercup OBLRanunculus bulbosus St. Anthony's-Turnip FACRanunculus cardiophyllus Heart-Leaf Buttercup FACWRanunculus eschscholtzii Spruce-Fir Buttercup FACWRanunculus fascicularis Early Buttercup FACRanunculus flabellaris Greater Yellow Water Buttercup

OBLRanunculus flammula Greater Creeping Spearwort FACWRanunculus glaberrimus Sagebrush Buttercup FACRanunculus gmelinii Lesser Yellow Water Buttercup FACWRanunculus harveyi Harvey's Buttercup FACURanunculus hispidus Bristly Buttercup FACWRanunculus hydrocharoides Frog-Bit Buttercup OBLRanunculus hyperboreus Far-Northern Buttercup OBLRanunculus inamoenus Graceful Buttercup FACWRanunculus jovis Hillside Buttercup FACURanunculus laxicaulis Mississippi Buttercup OBLRanunculus longirostris Long-Beak Water-Crowfoot OBL

Ranunculus macauleyi Rocky Mountain Buttercup FACWRanunculus macounii Macoun's Buttercup OBLRanunculus macranthus Large Buttercup FACWRanunculus micranthus Rock Buttercup FACURanunculus muricatus Spiny-Fruit Buttercup FACWRanunculus orthorhynchus Straight-Beak Buttercup FACWRanunculus parviflorus Small-Flower Buttercup FACRanunculus pensylvanicus Pennsylvania Buttercup FACWRanunculus platensis Prairie Buttercup FACRanunculus pusillus Low Spearwort OBLRanunculus pygmaeus Dwarf Buttercup FACWRanunculus recurvatus Blisterwort FACWRanunculus repens Creeping Buttercup FACWRanunculus sardous Hairy Buttercup FACRanunculus sceleratus Cursed Buttercup OBLRanunculus subrigidus Short-Beak Water-Crowfoot OBLRanunculus sulphureus Sulphur Buttercup OBLRanunculus trichophyllus Thread-Leaf Water-Crowfoot OBLRanunculus uncinatus Woodland Buttercup FACWRayjacksonia phyllocephala Camphor Daisy FACReynoutria X bohemica FACUReynoutria japonica Japanese-Knotweed FACUReynoutria sachalinensis Giant-Knotweed UPLRhamnus alnifolia Alder-Leaf Buckthorn FACWRhamnus cathartica European Buckthorn FACURhamnus lanceolata Lance-Leaf Buckthorn FACRhexia lutea Yellow Meadow-Beauty FACWRhexia mariana Maryland Meadow-Beauty FACWRhexia virginica Handsome-Harry OBLRhinanthus minor Little Yellow-Rattle FACURhizophora mangle Red Mangrove OBLRhodiola integrifolia Entire-Leaf Rosewort FACURhodiola rhodantha Queen's-Crown FACRhododendron albiflorum Cascade Azalea FACWRhododendron canescens Mountain Azalea FACWRhododendron groenlandicum Rusty Labrador-Tea FACWRhododendron prinophyllum Early Azalea FACRhododendron viscosum Clammy Azalea FACWRhus aromatica Fragrant Sumac UPLRhus copallinum Winged Sumac UPLRhynchospora alba White Beak Sedge OBLRhynchospora brachychaeta West Indian Beak Sedge OBLRhynchospora caduca Angle-Stem Beak Sedge OBLRhynchospora capillacea Needle Beak Sedge OBLRhynchospora capitellata Brownish Beak Sedge OBLRhynchospora cephalantha Bunched Beak Sedge OBLRhynchospora chalarocephala Loose-Head Beak Sedge OBLRhynchospora colorata Narrow-Leaf Whitetop FACWRhynchospora corniculata Short-Bristle Horned Beak Sedge

OBLRhynchospora divergens Spreading Beak Sedge OBLRhynchospora fascicularis Fascicled Beak Sedge OBLRhynchospora filifolia Thread-Leaf Beak Sedge FACRhynchospora fusca Brown Beak Sedge OBLRhynchospora globularis Globe Beak Sedge FACWRhynchospora glomerata Clustered Beak Sedge OBLRhynchospora gracilenta Slender Beak Sedge OBLRhynchospora grayi Gray's Beak Sedge FACRhynchospora harveyi Harvey's Beak Sedge FACRhynchospora indianolensis Indianola Beak Sedge FACWRhynchospora inexpansa Nodding Beak Sedge FACWRhynchospora inundata Narrow-Fruit Horned Beak Sedge

OBLRhynchospora latifolia Sand-Swamp Whitetop OBL

Rhynchospora leptocarpa Slender-Fruit Beak Sedge OBLRhynchospora macra Large Beak Sedge OBLRhynchospora macrostachya Tall Horned Beak Sedge OBLRhynchospora microcarpa Southern Beak Sedge FACWRhynchospora miliacea Millet Beak Sedge OBLRhynchospora mixta Mingled Beak Sedge OBLRhynchospora nitens Short-Beak Beak Sedge OBLRhynchospora nivea Showy Whitetop FACWRhynchospora oligantha Feather-Bristle Beak Sedge OBLRhynchospora perplexa Pineland Beak Sedge OBLRhynchospora plumosa Plumed Beak Sedge FACWRhynchospora pusilla Fairy Beak Sedge FACWRhynchospora rariflora Few-Flower Beak Sedge OBLRhynchospora recognita Coarse Globe Beak Sedge FACWRhynchospora scirpoides Long-Beak Beak Sedge OBLRhynchospora stenophylla Coastal-Plain Beak Sedge OBLRibes americanum Wild Black Currant FACWRibes aureum Golden Currant FACURibes cynosbati Eastern Prickly Gooseberry FACURibes glandulosum Skunk Currant OBLRibes hirtellum Hairy-Stem Gooseberry FACRibes hudsonianum Northern Black Currant OBLRibes inerme White-Stem Gooseberry FACWRibes lacustre Bristly Black Gooseberry FACWRibes laxiflorum Trailing Black Currant FACURibes oxyacanthoides Canadian Gooseberry FACURibes triste Swamp Red Currant OBLRibes viscosissimum Sticky Currant FACURibes wolfii Winaha Currant FACRicinus communis Castor-Bean FACURivina humilis Rougeplant FACRobinia pseudoacacia Black Locust UPLRomanzoffia sitchensis Sitka Mistmaiden FACWRorippa aquatica Lakecress OBLRorippa austriaca Austrian Yellowcress FACWRorippa calycina Persistent-Sepal Yellowcress OBLRorippa curvipes Blunt-Leaf Yellowcress OBLRorippa curvisiliqua Curve-Pod Yellowcress OBLRorippa palustris Bog Yellowcress OBLRorippa ramosa Durango Yellowcress FACWRorippa sessiliflora Stalkless Yellowcress OBLRorippa sinuata Spreading Yellowcress FACWRorippa sphaerocarpa Round-Fruit Yellowcress OBLRorippa sylvestris Creeping Yellowcress FACWRorippa tenerrima Modoc Yellowcress FACRorippa teres Southern Marsh Yellowcress OBLRosa acicularis Prickly Rose FACURosa arkansana Prairie Rose FACURosa blanda Smooth Rose FACURosa bracteata Chickasaw Rose FACURosa carolina Carolina Rose FACURosa gymnocarpa Bald-Hip Rose UPLRosa multiflora Rambler Rose UPLRosa nutkana Nootka Rose FACURosa palustris Swamp Rose OBLRosa rubiginosa Sweetbrier UPLRosa setigera Climbing Rose FACURosa woodsii Woods' Rose FACURotala ramosior Lowland Toothcup OBLRottboellia cochinchinensis Itch Grass FACURubus allegheniensis Allegheny Blackberry UPLRubus alumnus Oldfield Blackberry FACRubus apogaeus Falling Dewberry FACURubus arcticus Northern Blackberry FACW

Rubus argutus Saw-Tooth Blackberry FACRubus arizonensis Arizona Dewberry FACURubus armeniacus Himalayan Blackberry FACRubus arvensis Field Blackberry FACRubus baileyanus Bailey's Dewberry FACURubus bushii Bush's Blackberry FACURubus flagellaris Whiplash Dewberry UPLRubus idaeus Common Red Raspberry FACURubus laciniatus Cut-Leaf Blackberry FACURubus leucodermis White-Stem Raspberry FACRubus oklahomus Oklahoma Blackberry FACRubus parviflorus Western Thimble-Berry FACURubus pedatus Strawberry-Leaf Raspberry FACRubus pensilvanicus Pennsylvania Blackberry FACRubus pubescens Dwarf Red Raspberry FACWRubus setosus Setose Blackberry FACWRubus suus Branched Blackberry FACRubus trivialis Southern Dewberry FACURudbeckia fulgida Orange Coneflower FACRudbeckia hirta Black-Eyed-Susan FACURudbeckia laciniata Green-Head Coneflower FACRudbeckia maxima Great Coneflower FACWRudbeckia missouriensis Missouri Orange Coneflower UPLRudbeckia occidentalis Western Coneflower FACRudbeckia subtomentosa Sweet Coneflower FACRudbeckia triloba Brown-Eyed-Susan FACURuellia caroliniensis Carolina Wild Petunia FACRuellia humilis Fringe-Leaf Wild Petunia FACRuellia malacosperma Soft-Seed Wild Petunia FACWRuellia simplex Linear-Leaf Wild Petunia FACRuellia strepens Limestone Wild Petunia FACRumex acetosella Common Sheep Sorrel FACRumex altissimus Pale Dock FACRumex britannica Greater Water Dock OBLRumex californicus California Willow Dock FACWRumex chrysocarpus Amamastla FACWRumex conglomeratus Sharp Dock FACWRumex crispus Curly Dock FACRumex densiflorus Dense-Flower Dock FACWRumex dentatus Toothed Dock FACURumex fueginus Tierra del Fuego Dock FACWRumex hastatulus Heart-Wing Sorrel FACRumex lapponicus Lapland Sorrel FACRumex longifolius Door-Yard Dock FACRumex mexicanus Mexican Dock FACRumex obtusifolius Bitter Dock FACWRumex occidentalis Western Dock OBLRumex paucifolius Alpine Sheep Sorrel FACRumex pulcher Fiddle Dock FACWRumex spiralis Winged Dock FACWRumex stenophyllus Narrow-Leaf Dock FACWRumex triangulivalvis Triangular-Valved Dock FACWRumex venosus Veiny Dock FACRumex verticillatus Swamp Dock FACWRuppia cirrhosa Spiral Ditch-Grass OBLRuppia maritima Beaked Ditch-Grass OBLSabal minor Dwarf Palmetto FACWSabal palmetto Cabbage Palmetto FACWSabatia angularis Rose-Pink FACSabatia arenicola Sand Rose-Gentian FACWSabatia campanulata Slender Rose-Gentian FACWSabatia campestris Texas-Star FACUSabatia gentianoides Pinewoods Rose-Gentian FACWSaccharum alopecuroides Silver Plume Grass FACW

Saccharum baldwinii Narrow Plume Grass FACWSaccharum brevibarbe Short-Beard Plume Grass FACWSaccharum giganteum Giant Plume Grass FACWSaccharum officinarum Sugar-Cane UPLSaccharum ravennae Ranenna Grass UPLSacciolepis striata American Cupscale OBLSagina decumbens Trailing Pearlwort FACSagina nivalis Snow Pearlwort FACWSagina procumbens Bird-Eye Pearlwort FACWSagina saginoides Alpine Pearlwort FACWSagittaria ambigua Kansas Arrowhead OBLSagittaria brevirostra Short-Beak Arrowhead OBLSagittaria calycina Hooded Arrowhead OBLSagittaria chapmanii Chapman's Arrowhead OBLSagittaria cristata Crested Arrowhead OBLSagittaria cuneata Arum-Leaf Arrowhead OBLSagittaria demersa Chihuahuan Arrowhead OBLSagittaria graminea Grass-Leaf Arrowhead OBLSagittaria lancifolia Bull-Tongue Arrowhead OBLSagittaria latifolia Duck-Potato OBLSagittaria longiloba Long-Barb Arrowhead OBLSagittaria papillosa Nipple-Bract Arrowhead OBLSagittaria platyphylla Delta Arrowhead OBLSagittaria rigida Sessile-Fruit Arrowhead OBLSalicornia bigelovii Dwarf Saltwort OBLSalicornia rubra Red Saltwort OBLSalix X fragilis FACSalix X pendulina FACWSalix alba White Willow FACWSalix amygdaloides Peach-Leaf Willow FACWSalix arizonica Arizona Willow OBLSalix atrocinerea Smooth-Twig Gray Willow FACWSalix barclayi Barclay's Willow OBLSalix bebbiana Gray Willow FACWSalix candida Sage Willow OBLSalix caroliniana Carolina Willow FACWSalix cinerea Large Gray Willow FACWSalix discolor Pussy Willow FACWSalix drummondiana Drummond's Willow FACWSalix eriocephala Missouri Willow FACWSalix exigua Narrow-Leaf Willow FACWSalix exilifolia Yew-Leaf Willow FACSalix famelica FACWSalix farriae Farr's Willow OBLSalix geyeriana Geyer's Willow OBLSalix glauca Gray-Leaf Willow FACWSalix gooddingii Goodding's Black Willow FACWSalix humilis Prairie Willow FACUSalix interior Sandbar Willow FACWSalix irrorata Dewy-Stem Willow FACWSalix lasiandra Pacific Willow FACWSalix lasiolepis Arroyo Willow FACWSalix ligulifolia Strap-Leaf Willow FACWSalix lucida Shining Willow FACWSalix lutea Yellow Willow FACWSalix maccalliana Mccalla's Willow OBLSalix melanopsis Dusky Willow FACWSalix monticola Park Willow OBLSalix nigra Black Willow FACWSalix pedicellaris Bog Willow OBLSalix pellita Satiny Willow FACWSalix petiolaris Meadow Willow OBLSalix planifolia Tea-Leaf Willow OBLSalix prolixa Mackenzie's Willow FACW

Salix pseudomonticola False Mountain Willow FACWSalix purpurea Purple Willow OBLSalix pyrifolia Balsam Willow OBLSalix scouleriana Scouler's Willow FACUSalix serissima Autumn Willow OBLSalix sitchensis Sitka Willow FACWSalix thurberi FACSalix wolfii Idaho Willow FACWSalsola kali Russian-Thistle FACUSalsola tragus Prickly Russian-Thistle FACUSalvia lycioides Canyon Sage FACUSalvia lyrata Lyre-Leaf Sage FACSalvia pentstemonoides Big Red Sage FACWSalvinia minima Water-Spangles OBLSalvinia molesta Kariba-Weed OBLSambucus nigra Black Elder FACSambucus racemosa Red Elder FACUSamolus ebracteatus Limewater Brookweed FACWSamolus parviflorus OBLSanguinaria canadensis Bloodroot UPLSanicula canadensis Canadian Black-Snakeroot FACUSanicula marilandica Maryland Black-Snakeroot FACUSanicula odorata Clustered Black-Snakeroot FACSapindus saponaria Wing-Leaf Soapberry FACUSaponaria officinalis Bouncing-Bett FACUSarcobatus vermiculatus Greasewood FACSarcocornia ambigua Chickenclaws OBLSarcocornia utahensis Utah Swampfire FACWSarracenia alata Yellow-Trumpets OBLSarracenia purpurea Purple Pitcherplant OBLSassafras albidum Sassafras FACUSaururus cernuus Lizard's-Tail OBLSaxifraga adscendens Wedge-Leaf Saxifrage FACWSaxifraga austromontana Matted Saxifrage FACUSaxifraga caespitosa Tufted Alpine Saxifrage FACUSaxifraga cernua Nodding Saxifrage FACUSaxifraga chrysantha Golden Saxifrage FACUSaxifraga hirculus Yellow Marsh Saxifrage OBLSaxifraga mertensiana Woodland Saxifrage OBLSaxifraga oppositifolia Purple Mountain Saxifrage FACSaxifraga rivularis Alpine-Brook Saxifrage FACWScaevola plumieri Gullfeed FACSceptridium biternatum Sparse-Lobe Grape Fern FACSceptridium dissectum Cut-Leaf Grape Fern FACSceptridium multifidum Leathery Grape Fern FACSchedonorus arundinaceus Tall False Rye Grass FACUSchedonorus pratensis Meadow False Rye Grass FACUScheuchzeria palustris Rannoch-Rush OBLSchinus molle Peruvian Peppertree FACUSchinus terebinthifolia Brazilian Peppertree FACSchizachne purpurascens False Melic Grass FACUSchizachyrium littorale Dune False Bluestem FACWSchizachyrium scoparium Little False Bluestem FACUSchoenolirion croceum Yellow Sunnybell OBLSchoenolirion wrightii Texas Sunnybell FACWSchoenoplectus acutus Hard-Stem Club-Rush OBLSchoenoplectus americanus Chairmaker's Club-Rush OBLSchoenoplectus californicus California Club-Rush OBLSchoenoplectus deltarum Delta Club-Rush OBLSchoenoplectus erectus Sharp-Scale Club-Rush OBLSchoenoplectus fluviatilis River Club-Rush OBLSchoenoplectus hallii Hall's Club-Rush OBLSchoenoplectus heterochaetus Pale Great Club-Rush OBLSchoenoplectus maritimus Saltmarsh Club-Rush OBL

Schoenoplectus pungens Three-Square OBLSchoenoplectus purshianus Weak-Stalk Club-Rush OBLSchoenoplectus robustus Seaside Club-Rush OBLSchoenoplectus saximontanus Rocky Mountain Club-Rush OBLSchoenoplectus smithii Smith's Club-Rush OBLSchoenoplectus subterminalis Swaying Club-Rush OBLSchoenoplectus tabernaemontaniSoft-Stem Club-Rush OBLSchoenoplectus torreyi Torrey's Club-Rush OBLSchoenus nigricans Black Bog-Rush OBLScirpus atrocinctus Black-Girdle Bulrush OBLScirpus atrovirens Dark-Green Bulrush OBLScirpus cyperinus Cottongrass Bulrush OBLScirpus georgianus Georgia Bulrush OBLScirpus hattorianus Mosquito Bulrush OBLScirpus microcarpus Red-Tinge Bulrush OBLScirpus nevadensis Nevada Bulrush OBLScirpus pallidus Pale Bulrush OBLScirpus pedicellatus Stalked Bulrush OBLScirpus pendulus Rufous Bulrush OBLScleranthus annuus Annual Knawel FACUScleria ciliata Fringed Nut-Rush FACScleria distans River-Swamp Nut-Rush OBLScleria georgiana Slender-Fruit Nut-Rush FACWScleria muehlenbergii Muehlenberg's Nut-Rush OBLScleria oligantha Little-Head Nut-Rush FACScleria pauciflora Few-Flower Nut-Rush FACWScleria reticularis Netted Nut-Rush FACWScleria triglomerata Whip Nut-Rush FACScleria verticillata Low Nut-Rush OBLScolochloa festucacea Common River Grass OBLScoparia dulcis Licorice-Weed FACUScrophularia lanceolata Lance-Leaf Figwort FACScrophularia marilandica Carpenter's-Square FACUScutellaria cardiophylla Gulf Skullcap FACScutellaria galericulata Hooded Skullcap OBLScutellaria integrifolia Helmet-Flower FACWScutellaria lateriflora Mad Dog Skullcap FACWScutellaria ovata Heart-Leaf Skullcap FACUScutellaria parvula Small Skullcap UPLScutellaria racemosa South American Skullcap FACWScutellaria thieretii Thieret's Skullcap FACWSedum pulchellum Widow's-Cross FACUSelaginella apoda Meadow Spike-Moss FACWSelenia dissecta Texas Selenia FACWSelenia grandis Large Selenia FACWSelenia jonesii Jones' Selenia FACWSenecio amplectens Showy Alpine Ragwort FACWSenecio crassulus Thick-Leaf Ragwort FACUSenecio eremophilus Desert Ragwort FACSenecio hieraciifolius American Burnweed FACUSenecio hydrophiloides Stout Meadow Ragwort FACWSenecio hydrophilus Alkali-Marsh Ragwort OBLSenecio integerrimus Lamb-Tongue Ragwort FACSenecio lugens Small Black-Tip Ragwort FACWSenecio serra Tall Ragwort FACWSenecio sphaerocephalus Mountain-Marsh Ragwort FACSenecio triangularis Arrow-Leaf Ragwort OBLSenecio vulgaris Old-Man-in-the-Spring FACUSenegalia greggii Long-Flower Catclaw UPLSenna marilandica Maryland Wild Sensitive-Plant FACSenna obtusifolia Coffeeweed FACUSenna occidentalis Septicweed UPLSenna pendula Valamuerto FAC

Sesbania drummondii Poison-Bean FACWSesbania herbacea Peatree FACWSesbania punicea Purple River-Hemp FACWSesbania vesicaria Bagpod FACSesuvium maritimum Slender Sea-Purslane FACWSesuvium portulacastrum Shoreline Sea-Purslane FACWSesuvium trianthemoides Texas Sea-Purslane OBLSesuvium verrucosum Verrucose Sea-Purslane FACWSetaria adhaerens Adherent Bristle Grass UPLSetaria faberi Japanese Bristle Grass UPLSetaria italica Italian Bristle Grass FACUSetaria magna Giant Bristle Grass FACWSetaria parviflora Marsh Bristle Grass FACSetaria pumila Yellow Bristle Grass FACUSetaria verticillata Rough Bristle Grass FACSeymeria cassioides Yaupon Black-Senna FACShepherdia argentea Silver Buffalo-Berry UPLShepherdia canadensis Russet Buffalo-Berry FACUShinnersia rivularis Rio Grande Shinner's Aster OBLSibbaldia procumbens Creeping-Glow-Wort FACUSibbaldia tridentata Shrubby-Fivefingers FACUSicyos angulatus One-Seed Burr-Cucumber FACWSida acuta Common-Wireweed UPLSida rhombifolia Cuban-Jute FACUSida spinosa Prickly Fanpetals UPLSidalcea candida White Checkerbloom FACSidalcea neomexicana Rocky Mountain Checkerbloom FACWSideroxylon celastrinum Saffron-Plum FACSideroxylon lanuginosum Gum Bully FACUSilene acaulis Cushion-Pink FACSilene menziesii White Catchfly UPLSilene nivea Snowy Catchfly FACWSilene uralensis Apetalous Catchfly FACWSilphium integrifolium Entire-Leaf Rosinweed FACSilphium perfoliatum Cup-Plant FACSinapis alba White-Mustard FACSisymbrium altissimum Tall Hedge-Mustard FACUSisyrinchium albidum White Blue-Eyed-Grass FACUSisyrinchium angustifolium Narrow-Leaf Blue-Eyed-Grass FACWSisyrinchium atlanticum Eastern Blue-Eyed-Grass FACWSisyrinchium biforme Wiry Blue-Eyed-Grass FACSisyrinchium demissum Stiff Blue-Eyed-Grass OBLSisyrinchium idahoense Idaho Blue-Eyed-Grass OBLSisyrinchium minus Dwarf Blue-Eyed-Grass FACUSisyrinchium montanum Strict Blue-Eyed-Grass FACSisyrinchium mucronatum Needle-Tip Blue-Eyed-Grass FACSisyrinchium rosulatum Annual Blue-Eyed-Grass FACSisyrinchium sagittiferum Spear-Bract Blue-Eyed-Grass FACWSisyrinchium septentrionale Northern Blue-Eyed-Grass FACSium suave Hemlock Water-Parsnip OBLSmilax bona-nox Fringed Greenbrier FACUSmilax glauca Sawbrier UPLSmilax hispida Chinaroot FACSmilax laurifolia Laurel-Leaf Greenbrier OBLSmilax pulverulenta Downy Carrion-Flower FACUSmilax pumila Sarsparilla-Vine FACSmilax rotundifolia Horsebrier FACSmilax smallii Lance-Leaf Greenbrier FACUSolanum americanum American Black Nightshade FACUSolanum campechiense Red-Berry Nightshade FACUSolanum capsicoides Cockroach-Berry FACUSolanum carolinense Carolina Horse-Nettle UPLSolanum douglasii Green-Spot Nightshade FACSolanum dulcamara Climbing Nightshade FACU

Solanum erianthum Potato-Tree FACSolanum ptychanthum Eastern Black Nightshade FACUSolidago altissima Tall Goldenrod FACUSolidago arguta Atlantic Goldenrod FACUSolidago caesia Wreath Goldenrod FACUSolidago canadensis Canadian Goldenrod FACUSolidago flexicaulis Zigzag Goldenrod FACUSolidago gigantea Late Goldenrod FACSolidago lepida Western Canada Goldenrod FACUSolidago multiradiata Rocky Mountain Goldenrod FACUSolidago patula Round-Leaf Goldenrod OBLSolidago riddellii Riddell's Goldenrod OBLSolidago rigida Hard-Leaf Flat-Top-Goldenrod FACUSolidago rugosa Wrinkle-Leaf Goldenrod FACSolidago sempervirens Seaside Goldenrod FACWSolidago simplex Mt. Albert Goldenrod FACUSolidago stricta Wand Goldenrod OBLSolidago uliginosa Bog Goldenrod OBLSoliva sessilis Lawn Burrweed UPLSonchus arvensis Field Sow-Thistle FACSonchus asper Spiny-Leaf Sow-Thistle FACSonchus oleraceus Common Sow-Thistle UPLSophora tomentosa Yellow Necklacepod UPLSophronanthe pilosa Shaggy False Hedge-Nettle FACWSorbus decora Northern Mountain-Ash FACSorbus scopulina Cascade Mountain-Ash FACUSorbus sitchensis Sitka Mountain-Ash FACSorghastrum nutans Yellow Indian Grass FACUSorghum bicolor Broom-Corn FACUSorghum halepense Johnson Grass FACUSparganium americanum American Burr-Reed OBLSparganium androcladum Branched Burr-Reed OBLSparganium angustifolium Narrow-Leaf Burr-Reed OBLSparganium emersum European Burr-Reed OBLSparganium eurycarpum Broad-Fruit Burr-Reed OBLSparganium fluctuans Floating Burr-Reed OBLSparganium glomeratum Clustered Burr-Reed OBLSparganium natans Arctic Burr-Reed OBLSpartina alterniflora Saltwater Cord Grass OBLSpartina cynosuroides Big Cord Grass OBLSpartina densiflora Dense-Flower Cord Grass OBLSpartina gracilis Alkali Cord Grass FACWSpartina patens Salt-Meadow Cord Grass FACWSpartina pectinata Freshwater Cord Grass FACWSpartina spartinae Gulf Cord Grass FACSpergularia diandra Alkali Sandspurry FACWSpergularia echinosperma Bristle-Seed Sandspurry OBLSpergularia marina Saltmarsh Sandspurry OBLSpergularia media Satin-Flower FACUSpergularia platensis La Plata Sandspurry FACWSpergularia rubra Ruby Sandspurry FACUSpermacoce glabra Smooth False Buttonweed FACWSpermacoce tenuior Slender False Buttonweed FACWSpermolepis divaricata Rough-Fruit Scaleseed FACWSpermolepis echinata Bristly-Fruit Scaleseed FACUSphaerophysa salsula Red Bladder-Vetch FACUSphenoclea zeylanica Chickenspike OBLSphenopholis filiformis Long-Leaf Wedgescale FACSphenopholis intermedia Slender Wedgescale FACSphenopholis nitida Shiny Wedgescale UPLSphenopholis obtusata Prairie Wedgescale FACSpinulum annotinum Interrupted Club-Moss FACSpiraea alba White Meadowsweet FACWSpiraea betulifolia Shiny-Leaf Meadowsweet FACU

Spiraea tomentosa Steeplebush FACWSpiranthes brevilabris Texas Ladies'-Tresses FACSpiranthes cernua White Nodding Ladies'-Tresses FACWSpiranthes diluvialis Diluvim Ladies'-Tresses FACWSpiranthes lacera Northern Slender Ladies'-Tresses

FACSpiranthes laciniata Lace-Lip Ladies'-Tresses OBLSpiranthes lucida Shining Ladies'-Tresses FACWSpiranthes magnicamporum Great Plains Ladies'-Tresses FACSpiranthes odorata Marsh Ladies'-Tresses OBLSpiranthes ovalis October Ladies'-Tresses FACSpiranthes praecox Green-Vein Ladies'-Tresses FACWSpiranthes romanzoffiana Hooded Ladies'-Tresses OBLSpiranthes tuberosa Little Ladies'-Tresses UPLSpiranthes vernalis Spring Ladies'-Tresses FACWSpirodela polyrhiza Common Duckmeat OBLSporobolus airoides Alkali-Sacaton FACSporobolus cryptandrus Sand Dropseed FACUSporobolus diandrus Tussock Dropseed UPLSporobolus domingensis Coral Dropseed FACUSporobolus flexuosus Mesa Dropseed FACSporobolus giganteus Giant Dropseed UPLSporobolus heterolepis Prairie Dropseed UPLSporobolus indicus Smut Grass FACUSporobolus neglectus Small Dropseed UPLSporobolus pyramidatus Target Dropseed FACSporobolus texanus Texas Dropseed FACSporobolus virginicus Seashore Dropseed FACWSporobolus wrightii Wright's Dropseed FACStachys crenata Mouse's-Ear FACStachys floridana Florida Hedge-Nettle FACStachys pilosa Hairy Hedge-Nettle FACWStachys tenuifolia Smooth Hedge-Nettle FACWStaphylea trifolia American Bladdernut FACSteinchisma hians Gaping Grass FACWStellaria borealis Boreal Starwort FACWStellaria calycantha Northern Bog Starwort FACWStellaria crassifolia Fleshy Starwort OBLStellaria crispa Ruffled Starwort FACWStellaria cuspidata Mexican Starwort FACStellaria graminea Grass-Leaf Starwort FACUStellaria longifolia Long-Leaf Starwort FACWStellaria longipes Long-Stalk Starwort FACWStellaria media Common Chickweed FACUStellaria obtusa Rocky Mountain Starwort FACWStellaria umbellata Umbrella Starwort FACWStenandrium dulce Sweet Shaggytuft FACWStenanthium densum Osceola's-Plume FACWStenanthium gramineum Eastern Featherbells FACStenanthium leimanthoides Pine-Barren Featherbells FACWStenotaphrum secundatum St. Augustine Grass FACStreptopus amplexifolius Clasping Twistedstalk FACWStreptopus lanceolatus Lance-Leaf Twistedstalk FACStrophostyles helvola Trailing Fuzzy-Bean FACUStrophostyles umbellata Pink Fuzzy-Bean FACUStuckenia filiformis Slender-Leaf False Pondweed OBLStuckenia pectinata Sago False Pondweed OBLStuckenia striata Striped False Pondweed OBLStuckenia vaginata Sheathed False Pondweed OBLStylisma aquatica Water Dawnflower FACWStylisma pickeringii Pickering's Dawnflower FACStyrax americanus American Snowbell FACWStyrax grandifolius Big-Leaf Snowbell FACStyrax platanifolius Sycamore-Leaf Snowbell FAC

Suaeda calceoliformis Paiuteweed FACWSuaeda conferta Beach Seepweed OBLSuaeda linearis Annual Seepweed OBLSuaeda nigra Shrubby Seepweed OBLSuaeda occidentalis Western Seepweed FACWSubularia aquatica American Water-Awlwort OBLSuckleya suckleyana Poison Suckleya FACWSuksdorfia violacea Violet Mock Brookfoam FACSullivantia hapemanii Hapeman's Coolwort FACWSwertia perennis Felwort FACSymphoricarpos albus Common Snowberry UPLSymphoricarpos occidentalis Western Snowberry UPLSymphoricarpos orbiculatus Coral-Berry FACUSymphyotrichum ascendens Western American-Aster FACUSymphyotrichum boreale Boreal American-Aster OBLSymphyotrichum bracteolatum Bracted American-Aster FACSymphyotrichum ciliatum Alkali American-Aster FACWSymphyotrichum divaricatum Lawn American-Aster OBLSymphyotrichum dumosum Rice Button American-Aster FACSymphyotrichum ericoides White Heath American-Aster FACUSymphyotrichum eulae Eula's American-Aster FACSymphyotrichum expansum Desert American-Aster OBLSymphyotrichum falcatum Rough White Prairie American-Aster

FACUSymphyotrichum foliaceum Alpine Leafy-Head American-Aster

UPLSymphyotrichum frondosum Leafy American-Aster FACWSymphyotrichum laeve Smooth Blue American-Aster FACUSymphyotrichum lanceolatum White Panicled American-Aster FACWSymphyotrichum lateriflorum Farewell-Summer FACWSymphyotrichum novae-angliae New England American-Aster FACWSymphyotrichum ontarionis Ontario American-Aster FACSymphyotrichum pilosum White Oldfield American-Aster FACUSymphyotrichum porteri Smooth White American-Aster FACUSymphyotrichum praealtum Willow-Leaf American-Aster FACWSymphyotrichum puniceum Purple-Stem American-Aster OBLSymphyotrichum racemosum Fragile-Stem American-Aster FACWSymphyotrichum robynsianum Robyns' American-Aster FACWSymphyotrichum spathulatum Mountain American-Aster FACSymphyotrichum squamatum OBLSymphyotrichum subspicatum Leafy-Bract American-Aster FACSymphyotrichum subulatum Seaside American-Aster OBLSymplocarpus foetidus Skunk-Cabbage OBLSymplocos tinctoria Horsesugar FACSyringodium filiforme Manatee-Grass OBLTamarix aphylla Athel Tamarisk FACWTamarix chinensis Five-Stamen Tamarisk FACWTamarix gallica French Tamarisk FACWTamarix parviflora Small-Flower Tamarisk FACWTanacetum vulgare Common Tansy FACUTaraxacum ceratophorum Horned Dandelion UPLTaraxacum officinale Common Dandelion FACUTaraxia breviflora Nested Goldeneggs FACUTaraxia subacaulis Spreading Goldeneggs FACWTarenaya hassleriana Pinkqueen FACTauschia texana Texas Umbrella-Wort FACWTaxodium distichum Southern Bald-Cypress OBLTaxus brevifolia Pacific Yew FACUTaxus canadensis American Yew FACTecoma stans Yellow Trumpetbush UPLTectaria heracleifolia Broad Halberd Fern FACUTephroseris palustris Clustered Marsh Squaw-Weed FACWTeucrium canadense American Germander FACWTeucrium cubense Small Coastal Germander FAC

Thalassia testudinum Turtle-Grass OBLThalia dealbata Powdery Alligator-Flag OBLThalictrum alpinum Alpine Meadow-Rue FACWThalictrum dasycarpum Purple Meadow-Rue FACThalictrum dioicum Early Meadow-Rue FACWThalictrum fendleri Fendler's Meadow-Rue FACThalictrum revolutum Waxy-Leaf Meadow-Rue FACWThalictrum thalictroides Rue-Anemone FACThalictrum venulosum Veiny-Leaf Meadow-Rue FACThaspium barbinode Hairy-Joint Meadow-Parsnip FACThelypodium integrifolium Entire-Leaf Thelypody FACWThelypodium sagittatum Arrowhead Thelypody FACUThelypteris kunthii Kunth's Maiden Fern FACThelypteris ovata Ovate Marsh Fern FACWThelypteris palustris Eastern Marsh Fern OBLThermopsis divaricarpa Spread-Fruit Golden-Banner FACThermopsis rhombifolia Prairie Golden-Banner UPLThevetia peruviana Luckynut UPLThlaspi arvense Field Pennycress FACUThuja occidentalis Eastern Arborvitae FACWThuja plicata Western Arborvitae UPLThunbergia alata Black-Eyed-Susan-Vine UPLThyrsanthella difformis Climbing-Dogbane FACWTiedemannia filiformis FACWTilia americana American Basswood FACUTillandsia usneoides Spanish-Moss UPLTipularia discolor Crippled-Cranefly FACTithonia diversifolia Tree-Marigold FACTorreyochloa pallida Pale False Manna Grass OBLToxicodendron pubescens Eastern Poison-Oak FACUToxicodendron radicans Eastern Poison Ivy FACUToxicodendron rydbergii Western Poison Ivy FACUToxicoscordion venenosum Meadow Poison Camas FACTradescantia bracteata Long-Bract Spiderwort FACUTradescantia edwardsiana Plateau Spiderwort FACTradescantia fluminensis Small-Leaf Wandering-Jew FACTradescantia occidentalis Prairie Spiderwort UPLTradescantia ohiensis Bluejacket FACUTradescantia virginiana Virginia Spiderwort FACTradescantia wrightii Wright's Spiderwort FACWTransberingia bursifolia False Fissurewort FACUTrautvetteria caroliniensis Carolina Tassel-Rue FACWTrepocarpus aethusae Whitenymph FACWTriadica sebifera Chinese Tallowtree FACTriantha glutinosa Sticky False Asphodel OBLTriantha occidentalis Western False Asphodel FACWTrianthema portulacastrum Desert Horse-Purslane FACWTrichocoronis wrightii Limestone Bugheal FACWTrichophorum alpinum Alpine Leafless-Bulrush OBLTrichophorum caespitosum Tufted Leafless-Bulrush OBLTrichophorum clintonii Clinton's Leafless-Bulrush FACUTrichophorum pumilum Rolland's Leafless-Bulrush OBLTrichostema dichotomum Forked Bluecurls FACTridax procumbens Coatbuttons FACUTridens albescens White Fluff Grass FACTridens ambiguus Pine-Barren Fluff Grass FACTridens flavus Tall Redtop UPLTridens muticus Awnless Fluff Grass FACUTridens strictus Long-Spike Fluff Grass FACTrientalis borealis Maystar FACTrifolium dasyphyllum Uinta Clover FACUTrifolium dubium Suckling Clover FACUTrifolium fragiferum Strawberry-Head Clover FACTrifolium hybridum Alsike Clover FACU

Trifolium longipes Long-Stalk Clover FACWTrifolium mucronatum Cusp Clover FACWTrifolium neurophyllum White Mountain Clover FACWTrifolium parryi Parry's Clover FACTrifolium pinetorum Pinewoods Clover FACWTrifolium pratense Red Clover FACUTrifolium repens White Clover FACUTrifolium resupinatum Reversed Clover FACUTrifolium wormskioldii Cow Clover FACWTriglochin maritima Seaside Arrow-Grass OBLTriglochin palustris Marsh Arrow-Grass OBLTriglochin scilloides Flowering-Quillwort OBLTrillium cernuum Whip-Poor-Will-Flower FACTrillium flexipes Nodding Trillium FACUTrillium texanum Texas Trillium FACTriodanis perfoliata Clasping-Leaf Venus'-Looking-Glass

FACTriosteum angustifolium Yellow-Fruit Horse-Gentian FACTriphasia trifolia Limeberry FACUTriphora trianthophoros Threebirds FACUTripleurospermum maritimum False Mayweed FACTripsacum dactyloides Eastern Mock Grama FACTrisetum spicatum Narrow False Oat FACUTrollius laxus American Globeflower OBLTypha X glauca OBLTypha X provincialis OBLTypha angustifolia Narrow-Leaf Cat-Tail OBLTypha domingensis Southern Cat-Tail OBLTypha latifolia Broad-Leaf Cat-Tail OBLUlmus alata Winged Elm FACUUlmus americana American Elm FACUlmus crassifolia Cedar Elm FACUlmus glabra Wych Elm FACUUlmus parvifolia Chinese Elm UPLUlmus pumila Siberian Elm UPLUlmus rubra Slippery Elm FACUUlmus serotina September Elm FACUUlmus thomasii Rock Elm FACUUniola paniculata Sea-Oats FACUUrochloa distachya Tropical Liverseed Grass FACUrochloa fusca Brown-Top Liverseed Grass FACUrochloa mutica Para Liverseed Grass FACWUrochloa panicoides Panic Liverseed Grass FACUUrochloa plantaginea Plantain Liverseed Grass FACUUrochloa platyphylla Broad-Leaf Liverseed Grass FACUrochloa ramosa Dixie Liverseed Grass FACUUrochloa reptans Sprawling Liverseed Grass UPLUrtica chamaedryoides Heart-Leaf Nettle FACUUrtica dioica Stinging Nettle FACUtricularia cornuta Horned Bladderwort OBLUtricularia foliosa Leafy Bladderwort OBLUtricularia gibba Humped Bladderwort OBLUtricularia inflata Swollen Bladderwort OBLUtricularia intermedia Flat-Leaf Bladderwort OBLUtricularia juncea Southern Bladderwort OBLUtricularia macrorhiza Greater Bladderwort OBLUtricularia minor Lesser Bladderwort OBLUtricularia ochroleuca Dwarf Bladderwort OBLUtricularia radiata Little Floating Bladderwort OBLUtricularia striata Striped Bladderwort OBLUtricularia subulata Zigzag Bladderwort OBLUvularia sessilifolia Sessile-Leaf Bellwort FACUVaccaria hispanica Cowcockle UPLVaccinium angustifolium Late Lowbush Blueberry FACU

Vaccinium arboreum Tree Sparkle-Berry FACUVaccinium caespitosum Dwarf Blueberry FACVaccinium corymbosum Highbush Blueberry FACWVaccinium elliottii Elliott's Blueberry FACWVaccinium fuscatum Black Blueberry FACWVaccinium macrocarpon Large Cranberry OBLVaccinium membranaceum Square-Twig Blueberry FACUVaccinium myrtilloides Velvet-Leaf Blueberry FACWVaccinium myrtillus Whortle-Berry UPLVaccinium oxycoccos Small Cranberry OBLVaccinium scoparium Grouseberry FACUVaccinium stamineum Deerberry FACUVaccinium uliginosum Alpine Blueberry FACVaccinium vitis-idaea Northern Mountain-Cranberry FACVachellia farnesiana Mealy False Acacia FACUValeriana acutiloba Cordilleran Valerian FACValeriana dioica Marsh Valerian FACWValeriana edulis Tobacco-Root FACValeriana occidentalis Small-Flower Valerian FACValeriana texana Guadalupe Valerian OBLValerianella amarella Hairy Cornsalad FACUValerianella florifera Texas Cornsalad FACValerianella radiata Beaked Cornsalad FACWValerianella stenocarpa Narrow-Cell Cornsalad FACWValerianella texana Edwards Plateau Cornsalad FACVallisneria americana American Eel-Grass OBLVeratrum californicum California False Hellebore OBLVeratrum virginicum Virginia Bunchflower FACWVerbascum blattaria White Moth Mullein UPLVerbascum thapsus Great Mullein UPLVerbena X engelmannii FACUVerbena X rydbergii FACWVerbena bonariensis Purple-Top Vervain FACWVerbena bracteata Carpet Vervain FACUVerbena hastata Simpler's-Joy FACWVerbena incompta Brazilian Vervain FACVerbena macdougalii New Mexico Vervain FACVerbena officinalis Herb-of-the-Cross FACUVerbena runyonii Rio Grande Vervain FACWVerbena scabra Sandpaper Vervain OBLVerbena urticifolia White Vervain FACVerbesina alternifolia Wingstem FACVerbesina encelioides Golden Crownbeard FACVerbesina virginica White Crownbeard FACUVernonia arkansana Arkansas Ironweed FACVernonia baldwinii Western Ironweed FACUVernonia fasciculata Prairie Ironweed FACVernonia gigantea Giant Ironweed FACVernonia lettermannii Narrow-Leaf Ironweed OBLVernonia marginata Plains Ironweed FACVernonia missurica Missouri Ironweed FACWVernonia noveboracensis New York Ironweed FACVernonia texana Texas Ironweed FACUVeronica americana American-Brooklime OBLVeronica anagallis-aquatica Blue Water Speedwell OBLVeronica arvensis Corn Speedwell FACUVeronica chamaedrys Germander Speedwell UPLVeronica cusickii Cusick's Speedwell FACVeronica officinalis Common Gypsyweed UPLVeronica peregrina Neckweed FACWVeronica scutellata Grass-Leaf Speedwell OBLVeronica serpyllifolia Thyme-Leaf Speedwell OBLVeronica wormskjoldii American Alpine Speedwell FACVeronicastrum virginicum Culver's-Root FAC

Viburnum acerifolium Maple-Leaf Arrow-Wood UPLViburnum dentatum Southern Arrow-Wood FACViburnum edule Squashberry FACWViburnum lentago Nanny-Berry FACUViburnum nudum Possumhaw FACWViburnum opulus Highbush-Cranberry FACViburnum prunifolium Smooth Blackhaw FACUViburnum recognitum Smooth Arrow-Wood FACViburnum rufidulum Rusty Blackhaw FACUVicia americana American Purple Vetch FACUVicia caroliniana Carolina Vetch UPLVicia ludoviciana Louisiana Vetch UPLVicia minutiflora Pygmy-Flower Vetch UPLVicia sativa Garden Vetch FACUVigna luteola Wild Cow-Pea FACWViola X bernardii UPLViola X napae FACViola X viarum FACUViola adunca Hook-Spur Violet FACUViola bicolor Field Pansy FACViola biflora Arctic Yellow Violet FACViola blanda Sweet White Violet FACWViola canadensis Canadian White Violet FACUViola labradorica Alpine Violet FACViola lanceolata Bog White Violet OBLViola langloisii Langlois' Violet FACWViola macloskeyi Smooth White Violet FACWViola missouriensis Missouri Violet FACWViola nephrophylla Northern Bog Violet FACWViola novae-angliae New England Blue Violet FACViola palmata Three-Lobe Violet FACUViola palustris Alpine-Marsh Violet FACWViola pedata Bird-Foot Violet UPLViola pedatifida Crow-Foot Violet FACUViola primulifolia Primroseleaf Violet FACViola pubescens Downy Yellow Violet FACUViola renifolia Kidney-Leaf White Violet FACWViola sagittata Arrow-Leaf Violet FACViola sororia Hooded Blue Violet FACViola striata Striped Cream Violet FACWViola subsinuata Early Blue Violet FACUViola villosa Carolina Violet FACUViola walteri Prostrate Blue Violet UPLVitex negundo Five-Leaf Chastetree UPLVitis aestivalis Summer Grape FACVitis arizonica Canyon Grape FACUVitis cinerea Gray-Bark Grape FACVitis palmata Catbird Grape FACWVitis riparia River-Bank Grape FACVitis rotundifolia Muscadine FACVitis rupestris Rock Grape FACUVitis vulpina Frost Grape FACVulpia bromoides Brome Six-Weeks Grass FACVulpia myuros Rat-Tail Six-Weeks Grass FACVulpia octoflora Eight-Flower Six-Weeks Grass FACUWaltheria indica Basora-Prieta UPLWislizenia refracta Spectacle-Fruit FACWWisteria frutescens American Wisteria FACWWolffia borealis Northern Watermeal OBLWolffia brasiliensis Brazilian Watermeal OBLWolffia columbiana Columbian Watermeal OBLWolffiella gladiata Sword Bogmat OBLWolffiella lingulata Tongue-Shape Bogmat OBLWolffiella oblonga Saber Bogmat OBL

Woodwardia areolata Netted Chain Fern OBLWoodwardia virginica Virginia Chain Fern OBLX Elyhordeum macounii FACXanthisma spinulosum Lacy Sleepy Daisy UPLXanthium spinosum Spiny Cockleburr FACUXanthium strumarium Rough Cockleburr FACXanthosoma sagittifolium Arrow-Leaf Elephant's-Ear FACUXerophyllum tenax Western Turkeybeard FACXyris ambigua Coastal-Plain Yellow-Eyed-Grass

OBLXyris baldwiniana Baldwin's Yellow-Eyed-Grass OBLXyris difformis Bog Yellow-Eyed-Grass OBLXyris jupicai Richard's Yellow-Eyed-Grass OBLXyris laxifolia Lax-Leaf Yellow-Eyed-Grass OBLXyris montana Northern Yellow-Eyed-Grass OBLXyris scabrifolia Harper's Yellow-Eyed-Grass OBLXyris torta Slender Yellow-Eyed-Grass OBLYeatesia viridiflora Yellow Bractspike FACWYoungia japonica Oriental False Hawk's-Beard FACUYucca aloifolia Aloe Yucca UPLZannichellia palustris Horned-Pondweed OBLZanthoxylum americanum Toothachetree UPLZanthoxylum clava-herculis Hercules'-Club FACUZanthoxylum fagara Limestone Prickly-Ash FACZeltnera beyrichii Quinineweed FACUZeltnera calycosa Buckley's Mountain-Pink FACWZeltnera exaltata Desert Mountain-Pink FACWZeltnera glandulifera Sticky Mountain-Pink FACUZeltnera nudicaulis Santa Catalina Mountain-Pink FACWZephyranthes pulchella Showy Zephyr-Lily FACWZephyranthes refugiensis Refugio Zephyr-Lily FACWZeuxine strateumatica Soldier's Orchid FACZizania aquatica Indian Wild Rice OBLZizania palustris Northern Wild Rice OBLZizania texana Texas Wild Rice OBLZizaniopsis miliacea Marsh-Millet OBLZizia aptera Heart-Leaf Alexanders FACZizia aurea Golden Alexanders FACZoysia matrella Manila Temple Grass FACU

Adam-and-Eve Aplectrum hyemale FACAdherent Bristle Grass Setaria adhaerens UPLAkan Asante Helminthotheca echioides UPLAlabama Supplejack Berchemia scandens FACAlaska Rein Orchid Piperia unalascensis FACUAlaska Whitlow-Grass Draba stenoloba UPLAlaska Wild Rye Elymus alaskanus UPLAlder-Leaf Buckthorn Rhamnus alnifolia FACWAleutian Maidenhair Adiantum aleuticum FACAlfalfa Medicago sativa UPLAlkali American-Aster Symphyotrichum ciliatum FACWAlkali Buttercup Cyrtorhyncha cymbalaria OBLAlkali Cord Grass Spartina gracilis FACWAlkali Indian-Paintbrush Castilleja minor OBLAlkali Muhly Muhlenbergia asperifolia FACWAlkali Popcorn-Flower Plagiobothrys leptocladus FACWAlkali Sandspurry Spergularia diandra FACWAlkali Yellowtops Flaveria campestris FACAlkali-Mallow Malvella leprosa FACAlkali-Marsh Ragwort Senecio hydrophilus OBLAlkali-Sacaton Sporobolus airoides FACAllegheny Blackberry Rubus allegheniensis UPLAllegheny Monkey-Flower Mimulus ringens OBLAlligator Juniper Juniperus deppeana FACUAlligator-Weed Alternanthera philoxeroides OBLAloe Yucca Yucca aloifolia UPLAlpine Bitter-Root Lewisia pygmaea FACUAlpine Blue Grass Poa alpina FACUAlpine Blueberry Vaccinium uliginosum FACAlpine Buttercup Ranunculus adoneus FACWAlpine Coraldrops Besseya alpina FACWAlpine False Bent Podagrostis humilis FACWAlpine Leafless-Bulrush Trichophorum alpinum OBLAlpine Leafy-Head American-AsterSymphyotrichum foliaceum UPLAlpine Meadow-Foxtail Alopecurus magellanicus FACWAlpine Meadow-Rue Thalictrum alpinum FACWAlpine Milk-Vetch Astragalus alpinus FACAlpine Mountainbalm Monardella odoratissima UPLAlpine Nerve Sedge Carex neurophora FACWAlpine Northern-Rockcress Braya humilis FACUAlpine Pearlwort Sagina saginoides FACWAlpine Primrose Primula angustifolia FACAlpine Sheep Sorrel Rumex paucifolius FACAlpine Spicy-Wintergreen Gaultheria humifusa FACUAlpine Springbeauty Claytonia megarhiza FACUAlpine Stitchwort Minuartia obtusiloba FACUAlpine Sweet-Vetch Hedysarum alpinum FACUAlpine Violet Viola labradorica FACAlpine-Brook Saxifrage Saxifraga rivularis FACWAlpine-Marsh Violet Viola palustris FACWAlsike Clover Trifolium hybridum FACUAlternate Milkwort Polygala ambigua FACUAlternate-Leaf Dogwood Cornus alternifolia FACUAlternate-Leaf Flat Sedge Cyperus involucratus FACWAmamastla Rumex chrysocarpus FACWAmazon Viper Grass Dinebra panicoides FACWAmerican Alpine Lady Fern Athyrium americanum FACAmerican Alpine Speedwell Veronica wormskjoldii FACAmerican Alumroot Heuchera americana FACUAmerican Basswood Tilia americana FACUAmerican Beauty-Berry Callicarpa americana FACUAmerican Beech Fagus grandifolia FACUAmerican Bistort Bistorta bistortoides OBL

American Bittersweet Celastrus scandens UPLAmerican Black Nightshade Solanum americanum FACUAmerican Bladdernut Staphylea trifolia FACAmerican Bluehearts Buchnera americana FACAmerican Buckwheatvine Brunnichia ovata FACWAmerican Bugseed Corispermum americanum FACUAmerican Burnweed Senecio hieraciifolius FACUAmerican Burr-Reed Sparganium americanum OBLAmerican Century-Plant Agave americana UPLAmerican Cow-Parsnip Heracleum maximum FACAmerican Cupscale Sacciolepis striata OBLAmerican Deerweed Acmispon americanus FACUAmerican Dragonhead Dracocephalum parviflorum FACUAmerican Eel-Grass Vallisneria americana OBLAmerican Elm Ulmus americana FACAmerican Featherfoil Hottonia inflata OBLAmerican Fly-Honeysuckle Lonicera canadensis FACUAmerican Germander Teucrium canadense FACWAmerican Globeflower Trollius laxus OBLAmerican Hazelnut Corylus americana UPLAmerican Hog-Peanut Amphicarpaea bracteata FACUAmerican Holly Ilex opaca FACUAmerican Hornbeam Carpinus caroliniana FACAmerican Larch Larix laricina FACWAmerican Licorice Glycyrrhiza lepidota FACUAmerican Lopseed Phryma leptostachya FACUAmerican Lotus Nelumbo lutea OBLAmerican Manna Grass Glyceria grandis OBLAmerican Milk-Vetch Astragalus americanus FACAmerican Millet Grass Milium effusum FACUAmerican Pillwort Pilularia americana OBLAmerican Plum Prunus americana UPLAmerican Pokeweed Phytolacca americana FACUAmerican Purple Vetch Vicia americana FACUAmerican Screw-Bean Prosopis pubescens FACAmerican Silver-Berry Elaeagnus commutata UPLAmerican Slough Grass Beckmannia syzigachne OBLAmerican Snowbell Styrax americanus FACWAmerican Spikenard Aralia racemosa FACUAmerican Spongeplant Limnobium spongia OBLAmerican Spurred-Gentian Halenia deflexa FACAmerican Strawberry-Bush Euonymus americanus FACWAmerican Sycamore Platanus occidentalis FACAmerican Twinflower Linnaea borealis FACUAmerican Water-Awlwort Subularia aquatica OBLAmerican Water-Plantain Alisma subcordatum OBLAmerican Water-Willow Justicia americana OBLAmerican Waterwort Elatine americana OBLAmerican White Water-Lily Nymphaea odorata OBLAmerican Wild Mint Mentha arvensis FACWAmerican Wintergreen Pyrola americana FACUAmerican Wisteria Wisteria frutescens FACWAmerican Witch-Hazel Hamamelis virginiana FACAmerican Yellow-Rocket Barbarea orthoceras OBLAmerican Yew Taxus canadensis FACAmerican-Bellflower Campanulastrum americanum FACAmerican-Brooklime Veronica americana OBLAnalogue Sedge Carex simulata OBLAnchored Water-Hyacinth Eichhornia azurea OBLAngle-Stem Beak Sedge Rhynchospora caduca OBLAngle-Stem Primrose-Willow Ludwigia leptocarpa OBLAngleton's Bluestem Dichanthium aristatum FACUAngular-Fruit Anglepod Gonolobus suberosus FACWAnil-de-Pasto Indigofera suffruticosa FAC

Aniseroot Osmorhiza longistylis FACAnnual Blue Grass Poa annua FACUAnnual Blue-Eyed-Grass Sisyrinchium rosulatum FACAnnual Fimbry Fimbristylis annua FACWAnnual Hair Grass Deschampsia danthonioides FACWAnnual Jacob's-Ladder Polemonium micranthum FACUAnnual Knawel Scleranthus annuus FACUAnnual Marsh-Elder Iva annua FACAnnual Rabbit's-Foot Grass Polypogon monspeliensis FACWAnnual Ragweed Ambrosia artemisiifolia FACUAnnual Seepweed Suaeda linearis OBLAnnual Wormwood Artemisia annua FACUAnnual-Phlox Microsteris gracilis UPLAntelope Grass Cynodon nlemfuensis UPLApache Lobelia Lobelia anatina FACWAparejo Grass Muhlenbergia utilis FACWApetalous Catchfly Silene uralensis FACWApple Mint Mentha suaveolens FACWAquatic Milkweed Asclepias perennis OBLArctic Blue Grass Poa arctica FACWArctic Burr-Reed Sparganium natans OBLArctic Hare-Foot Sedge Carex lachenalii OBLArctic Sweet-Colt's-Foot Petasites frigidus FACArctic Yellow Violet Viola biflora FACArizona Alder Alnus oblongifolia FACWArizona Dewberry Rubus arizonensis FACUArizona Thistle Cirsium arizonicum FACArizona Walnut Juglans major FACArizona Willow Salix arizonica OBLArkansas Ironweed Vernonia arkansana FACArkansas Manna Grass Glyceria arkansana OBLArkansas Sedge Carex arkansana FACUArrow-Feather Three-Awn Aristida purpurascens UPLArrowhead Thelypody Thelypodium sagittatum FACUArrow-Leaf Elephant's-Ear Xanthosoma sagittifolium FACUArrow-Leaf Ragwort Senecio triangularis OBLArrow-Leaf Tearthumb Persicaria sagittata OBLArrow-Leaf Violet Viola sagittata FACArrow-Weed Pluchea sericea FACArroyo Willow Salix lasiolepis FACWArum-Leaf Arrowhead Sagittaria cuneata OBLAsh-Leaf Maple Acer negundo FACAsian Bittersweet Celastrus orbiculatus UPLAsian Crab Grass Digitaria bicornis FACUAsian Forget-Me-Not Myosotis asiatica FACAsian Marshweed Limnophila sessiliflora OBLAsian Pigeonwings Clitoria ternatea FACUAsian Pony's-Foot Dichondra micrantha FACWAsiatic Dayflower Commelina communis FACAsparagus Asparagus officinalis FACUAspen Onion Allium bisceptrum FACUAsthmaweed Erigeron bonariensis FACUAthel Tamarisk Tamarix aphylla FACWAtlantic Camas Camassia scilloides FACAtlantic Goldenrod Solidago arguta FACUAtlantic Ninebark Physocarpus opulifolius FACUAtlantic Pigeonwings Clitoria mariana FACUAunt Lucy Ellisia nyctelea FACUAustralian Beard Grass Bothriochloa bladhii FACUAustralian Saltbush Atriplex semibaccata FACAustralian Water-Buttons Cotula australis FACAustralian Water-Clover Marsilea mutica OBLAustrian Yellowcress Rorippa austriaca FACWAutumn Blue Grass Poa autumnalis FAC

Autumn Dwarf-Gentian Gentianella amarella FACWAutumn Water-Starwort Callitriche hermaphroditica OBLAutumn Willow Salix serissima OBLAwl-Leaf Mudwort Limosella aquatica OBLAwned Flat Sedge Cyperus squarrosus OBLAwned Halfchaff Sedge Lipocarpha aristulata FACWAwnless Fluff Grass Tridens muticus FACUAwnless Wild Rye Elymus curvatus FACAxil-Flower Mecardonia acuminata FACWBaby-Jump-Up Mecardonia procumbens FACWBaccharis-Leaf Beardtongue Penstemon baccharifolius FACUBagpod Sesbania vesicaria FACBahia Grass Paspalum notatum FACBailey's Dewberry Rubus baileyanus FACUBald-Hip Rose Rosa gymnocarpa UPLBaldwin's Flat Sedge Cyperus croceus FACBaldwin's Spike-Rush Eleocharis baldwinii FACWBaldwin's Yellow-Eyed-Grass Xyris baldwiniana OBLBalsam Fir Abies balsamea FACBalsam Groundsel Packera paupercula FACBalsam Poplar Populus balsamifera FACWBalsam Willow Salix pyrifolia OBLBalsam-Pear Momordica charantia FACUBaltic Rush Juncus balticus FACWBanana Water-Lily Nymphaea mexicana OBLBandanna-of-the-Everglades Canna flaccida OBLBarberry Hawthorn Crataegus berberifolia FACBarclay's Willow Salix barclayi OBLBare-Stem Bishop's-Cap Mitella nuda OBLBarkley's-Ragwort Barkleyanthus salicifolius FACBasin Saltbush Atriplex tridentata FACWBasora-Prieta Waltheria indica UPLBastard-Toadflax Comandra umbellata UPLBay Forget-Me-Not Myosotis laxa OBLBay-Bean Canavalia rosea FACBayflower Blutaparon vermiculare FACWBay-Hops Ipomoea pes-caprae FACBeach False Foxglove Agalinis fasciculata FACBeach Morning-Glory Ipomoea imperati FACBeach Seepweed Suaeda conferta OBLBeach She-Oak Casuarina equisetifolia FACUBeach Strawberry Fragaria chiloensis FACUBeaked Cornsalad Valerianella radiata FACWBeaked Cut-Throat Grass Coleataenia anceps FACBeaked Ditch-Grass Ruppia maritima OBLBeaked Grooveburr Agrimonia rostellata FACBeaked Hazelnut Corylus cornuta UPLBeaked Spike-Rush Eleocharis rostellata OBLBearded Beggarticks Bidens aristosa FACWBearded Fescue Festuca subulata UPLBearded Sedge Carex comosa OBLBearded Shorthusk Brachyelytrum erectum FACUBearded Sprangletop Diplachne fusca FACWBeardless Lyme Grass Leymus triticoides FACBeardless Rabbit's-Foot Grass Polypogon viridis FACWBeautiful Fleabane Erigeron formosissimus FACBebb's Sedge Carex bebbii OBLBeckett's Water-Trumpet Cryptocoryne beckettii OBLBeck's Water-Marigold Bidens beckii OBLBedstraw St. John's-Wort Hypericum galioides OBLBeefsteakplant Perilla frutescens FACBeggar's-Lice Hackelia virginiana FACUBellard's Knotweed Polygonum patulum FACWBent Sedge Carex styloflexa OBL

Bent-Awn Flat Sedge Cyperus reflexus FACBerg's Panic Grass Panicum bergii FACWBering Sea Mouse-Ear ChickweedCerastium beeringianum FACBerlandier's Lobelia Lobelia berlandieri FACBermuda Grass Cynodon dactylon FACUBetony-Leaf Mistflower Conoclinium betonicifolium FACWBicknell's Sedge Carex bicknellii FACWBiennial Cinquefoil Potentilla biennis FACWBiennial Wormwood Artemisia biennis FACUBig Bluestem Andropogon gerardii FACUBig Carpet Grass Axonopus furcatus OBLBig Cord Grass Spartina cynosuroides OBLBig Floatingheart Nymphoides aquatica OBLBig Red Sage Salvia pentstemonoides FACWBig Sandburr Cenchrus myosuroides FACUBigelow's Beggarticks Bidens bigelovii FACWBigelow's False Tansy-Aster Dieteria bigelovii FACWBig-Foot Water-Clover Marsilea macropoda OBLBig-Head Rush Juncus megacephalus OBLBig-Leaf Snowbell Styrax grandifolius FACBig-Tooth Aspen Populus grandidentata FACUBig-Top Love Grass Eragrostis hirsuta FACUBirch-Leaf False Buckthorn Frangula betulifolia FACUBird-Eye Pearlwort Sagina procumbens FACWBird-Foot Violet Viola pedata UPLBird-Seed Leaf-Flower Phyllanthus evanescens FACWBitter Cherry Prunus emarginata FACBitter Dock Rumex obtusifolius FACWBitter Fleabane Erigeron acris FACBitter Panic Grass Panicum amarum FACUBitter-Nut Hickory Carya cordiformis FACUBlack Alpine Sedge Carex nigricans FACWBlack Ash Fraxinus nigra FACWBlack Bamboo Phyllostachys nigra FACUBlack Bent Agrostis gigantea FACWBlack Blueberry Vaccinium fuscatum FACWBlack Bog-Rush Schoenus nigricans OBLBlack Cherry Prunus serotina FACUBlack Chokeberry Aronia melanocarpa OBLBlack Elder Sambucus nigra FACBlack Flat Sedge Cyperus niger FACWBlack Hawthorn Crataegus douglasii FACBlack Locust Robinia pseudoacacia UPLBlack Mangrove Avicennia germinans OBLBlack Medick Medicago lupulina FACUBlack Spleenwort Asplenium adiantum-nigrum FACUBlack Spruce Picea mariana FACWBlack Tupelo Nyssa sylvatica FACBlack Walnut Juglans nigra FACUBlack Willow Salix nigra FACWBlack-and-White-Scale Sedge Carex albonigra FACBlack-Bindweed Fallopia convolvulus FACUBlack-Edge Sedge Carex nigromarginata FACBlack-Eyed-Susan Rudbeckia hirta FACUBlack-Eyed-Susan-Vine Thunbergia alata UPLBlack-Foot Quillwort Isoetes melanopoda OBLBlack-Fruit Spike-Rush Eleocharis melanocarpa FACWBlack-Girdle Bulrush Scirpus atrocinctus OBLBlack-Head Fleabane Erigeron melanocephalus FACBlack-Root Sedge Carex elynoides FACBlack-Seed Plantain Plantago rugelii FACUBlack-Seed Spear Grass Piptochaetium avenaceum UPLBlisterwort Ranunculus recurvatus FACW

Blond Plantain Plantago ovata FACBlood Rosette Grass Dichanthelium consanguineum FACUBloodflower Asclepias curassavica FACBloodroot Sanguinaria canadensis UPLBlue Mistflower Conoclinium coelestinum FACWBlue Mud-Plantain Heteranthera limosa OBLBlue Panic Grass Panicum coloratum FACBlue Sedge Carex glaucodea FACWBlue Spruce Picea pungens FACBlue Water Speedwell Veronica anagallis-aquatica OBLBlue Water-Hyssop Bacopa caroliniana OBLBlue Waxweed Cuphea viscosissima FACBlue Wild Indigo Baptisia australis UPLBlue Wild Rye Elymus glaucus FACUBluebell-of-Scotland Campanula rotundifolia FACBlueberry Hawthorn Crataegus brachyacantha FACWBluebill Clematis pitcheri FACUBluebunch Fescue Festuca idahoensis UPLBlue-Flower Eryngo Eryngium integrifolium FACWBluejacket Tradescantia ohiensis FACUBluejoint Calamagrostis canadensis FACWBluemink Ageratum houstonianum FACUBlunt Broom Sedge Carex tribuloides OBLBlunt Spike-Rush Eleocharis obtusa OBLBlunt-Leaf Bedstraw Galium obtusum FACWBlunt-Leaf Grove-Sandwort Moehringia lateriflora FACUBlunt-Leaf Orchid Platanthera obtusata FACWBlunt-Leaf Pondweed Potamogeton obtusifolius OBLBlunt-Leaf Yellowcress Rorippa curvipes OBLBodin's Milk-Vetch Astragalus bodinii FACBog Birch Betula pumila OBLBog Goldenrod Solidago uliginosa OBLBog Muhly Muhlenbergia uniflora OBLBog Orchid Platanthera aquilonis OBLBog Pseudosaxifrage Micranthes oregana OBLBog Rush Juncus marginatus FACWBog Smartweed Persicaria setacea OBLBog Stitchwort Minuartia stricta FACBog White Violet Viola lanceolata OBLBog Willow Salix pedicellaris OBLBog Willowherb Epilobium leptophyllum OBLBog Yellowcress Rorippa palustris OBLBog Yellow-Eyed-Grass Xyris difformis OBLBog-Rosemary Andromeda polifolia OBLBoivin's Rockcress Boechera grahamii FACUBolander's Quillwort Isoetes bolanderi OBLBolander's Sedge Carex bolanderi FACWBonneville Shootingstar Dodecatheon conjugens FACUBoreal American-Aster Symphyotrichum boreale OBLBoreal Sagebrush Artemisia norvegica FACWBoreal Starwort Stellaria borealis FACWBoreal Stitchwort Minuartia rubella FACBoreal-Bog Sedge Carex magellanica OBLBosc's Mille-Graines Oldenlandia boscii FACWBoston Sword Fern Nephrolepis exaltata FACUBottlebrush Three-Awn Aristida spiciformis FACBottom-Land Post Oak Quercus similis FACWBouncing-Bett Saponaria officinalis FACUBracted American-Aster Symphyotrichum bracteolatum FACBracted Bedstraw Galium microphyllum FACBractless Hedge-Hyssop Gratiola ebracteata OBLBranched Blackberry Rubus suus FACBranched Burr-Reed Sparganium androcladum OBLBranched Centaury Centaurium pulchellum FACU

Branched Foldwing Dicliptera brachiata FACWBrazilian Peppertree Schinus terebinthifolia FACBrazilian Vervain Verbena incompta FACBrazilian Watermeal Wolffia brasiliensis OBLBrazilian-Waterweed Egeria densa OBLBright-Green Spike-Rush Eleocharis olivacea OBLBristle-Leaf Sedge Carex eburnea FACUBristle-Seed Sandspurry Spergularia echinosperma OBLBristle-Seed Yellow Star-Grass Hypoxis wrightii FACWBristly Bedstraw Galium uncinulatum FACBristly Black Gooseberry Ribes lacustre FACWBristly Buttercup Ranunculus hispidus FACWBristly Mousetail Myosurus apetalus FACWBristly-Fruit Scaleseed Spermolepis echinata FACUBristly-Stalk Sedge Carex leptalea OBLBrittle Bladder Fern Cystopteris fragilis FACUBrittle Waternymph Najas minor OBLBrittle-Stem Hemp-Nettle Galeopsis tetrahit FACUBritton's Sedge Carex tetrastachya FACWBroad Beech Fern Phegopteris hexagonoptera FACBroad Halberd Fern Tectaria heracleifolia FACUBroad Loose-Flower Sedge Carex laxiflora FACUBroad-Fruit Burr-Reed Sparganium eurycarpum OBLBroad-Leaf Carpet Grass Axonopus compressus FACWBroad-Leaf Cat-Tail Typha latifolia OBLBroad-Leaf Enchanter's-Nightshade Circaeacanadensis FACUBroad-Leaf Liverseed Grass Urochloa platyphylla FACBroad-Leaf Lupine Lupinus latifolius FACBroad-Leaf Pepperwort Lepidium latifolium FACWBroad-Leaf Pondweed Potamogeton natans OBLBroad-Leaf Rosette Grass Dichanthelium latifolium FACUBroad-Lip Twayblade Neottia convallarioides FACWBroad-Wing Sedge Carex alata OBLBrome Six-Weeks Grass Vulpia bromoides FACBronze-Head Oval Sedge Carex foenea UPLBrook Cinquefoil Potentilla rivalis FACWBrook Crown Grass Paspalum acuminatum OBLBrook Lobelia Lobelia kalmii OBLBrook Primrose Primula parryi FACBrookside Alder Alnus serrulata OBLBroom Rosette Grass Dichanthelium scoparium FACWBroom-Corn Sorghum bicolor FACUBroom-Sedge Andropogon virginicus FACUBrown Beak Sedge Rhynchospora fusca OBLBrown Bog Sedge Carex buxbaumii OBLBrown-Bract Pussytoes Antennaria umbrinella FACUBrowne's Wild Basil Clinopodium brownei OBLBrown-Eyed-Susan Rudbeckia triloba FACUBrown-Fruit Rush Juncus pelocarpus OBLBrownish Beak Sedge Rhynchospora capitellata OBLBrownish Sedge Carex brunnescens FACBrown-Ray Knapweed Centaurea jacea FACUBrown's Yellowtops Flaveria brownii FACWBrown-Seed Crown Grass Paspalum plicatulum FACBrown-Top Liverseed Grass Urochloa fusca FACBuck-Bean Menyanthes trifoliata OBLBuck-Horn Plantain Plantago coronopus FACBuckley's Mountain-Pink Zeltnera calycosa FACWBuek's Groundsel Packera subnuda OBLBuffalo Grass Bouteloua dactyloides FACUBuffel Grass Cenchrus ciliaris UPLBulblet Bladder Fern Cystopteris bulbifera FACWBulblet-Bearing Water-Hemlock Cicuta bulbifera OBL

Bulbous Adder's-Tongue Ophioglossum crotalophoroidesFAC

Bulbous Bittercress Cardamine bulbosa OBLBulbous Blue Grass Poa bulbosa FACUBulbous Wood-Rush Luzula bulbosa FACUBull Crown Grass Paspalum boscianum FACWBull Elephant's-Head Pedicularis groenlandica OBLBull Thistle Cirsium vulgare UPLBull-Tongue Arrowhead Sagittaria lancifolia OBLBunched Beak Sedge Rhynchospora cephalantha OBLBurr Oak Quercus macrocarpa FACUBurr-Reed Sedge Carex sparganioides FACBush's Blackberry Rubus bushii FACUBush's Sedge Carex bushii OBLBushy Bird's-Beak Cordylanthus ramosus FACWBushy Bluestem Andropogon glomeratus FACWBushy Cinquefoil Potentilla supina FACWBushy Goldentop Euthamia leptocephala FACBushy Mat-Grass Lippia alba FACBushy Seaside-Tansy Borrichia frutescens FACWButler's Sand-Parsley Ammoselinum butleri FACButtercup Hemieva Hemieva ranunculifolia FACWButton Eryngo Eryngium yuccifolium FACWButton Mangrove Conocarpus erectus FACWCabbage Palmetto Sabal palmetto FACWCalifornia Adder's-Tongue Ophioglossum californicum FACCalifornia Amaranth Amaranthus californicus FACWCalifornia Brickellbush Brickellia californica FACUCalifornia Butterwort Pinguicula macroceras OBLCalifornia Club-Rush Schoenoplectus californicus OBLCalifornia False Hellebore Veratrum californicum OBLCalifornia Loosestrife Lythrum californicum OBLCalifornia Satintail Imperata brevifolia FACCalifornia Saw-Grass Cladium californicum OBLCalifornia Waterwort Elatine californica OBLCalifornia Wild Oat Grass Danthonia californica FACUCalifornia Willow Dock Rumex californicus FACWCamelthorn Alhagi maurorum FACCamphor Daisy Rayjacksonia phyllocephala FACCamphortree Cinnamomum camphora UPLCanada-Aster Canadanthus modestus FACCanadian Black-Snakeroot Sanicula canadensis FACUCanadian Blue Lettuce Lactuca canadensis FACUCanadian Bunchberry Cornus canadensis FACUCanadian Clearweed Pilea pumila FACCanadian Goldenrod Solidago canadensis FACUCanadian Gooseberry Ribes oxyacanthoides FACUCanadian Honewort Cryptotaenia canadensis FACCanadian Horseweed Erigeron canadensis FACUCanadian Lousewort Pedicularis canadensis FACUCanadian Milk-Vetch Astragalus canadensis FACCanadian Moonseed Menispermum canadense FACUCanadian Plum Prunus nigra FACUCanadian Rockcress Boechera stricta FACUCanadian Rush Juncus canadensis OBLCanadian Single-Spike Sedge Carex scirpoidea FACUCanadian Thistle Cirsium arvense FACUCanadian Waterweed Elodea canadensis OBLCanadian White Violet Viola canadensis FACUCanadian Wild Ginger Asarum canadense FACUCanadian Wood-Nettle Laportea canadensis FACCane Beard Grass Bothriochloa barbinodis FACUCanyon Bog Orchid Platanthera sparsiflora FACWCanyon Grape Vitis arizonica FACU

Canyon Maple Acer grandidentatum FACCanyon Sage Salvia lycioides FACUCapillary Hair Sedge Bulbostylis ciliatifolia FACCapitate Sedge Carex capitata FACWCapitate Spike-Rush Eleocharis geniculata FACWCaraway Carum carvi UPLCardinal-Flower Lobelia cardinalis FACWCareless Weed Amaranthus palmeri FACUCarelessweed Cyclachaena xanthiifolia FACCarolina Bristle-Mallow Modiola caroliniana FACCarolina Coralbead Cocculus carolinus FACUCarolina Dayflower Commelina caroliniana FACUCarolina Desert-Thorn Lycium carolinianum FACWCarolina Elephant's-Foot Elephantopus carolinianus FACCarolina False Buckthorn Frangula caroliniana FACUCarolina False Clubmoss Pseudolycopodiella caroliniana FACWCarolina Fanwort Cabomba caroliniana OBLCarolina Fimbry Fimbristylis caroliniana FACWCarolina Horse-Nettle Solanum carolinense UPLCarolina Joint-Tail Grass Coelorachis cylindrica FACCarolina Laurel Cherry Prunus caroliniana FACUCarolina Leaf-Flower Phyllanthus caroliniensis FACCarolina Pony's-Foot Dichondra carolinensis FACCarolina Rose Rosa carolina FACUCarolina Sea-Lavender Limonium carolinianum OBLCarolina Sedge Carex caroliniana OBLCarolina Spider-Lily Hymenocallis occidentalis FACWCarolina Tassel-Rue Trautvetteria caroliniensis FACWCarolina Vetch Vicia caroliniana UPLCarolina Violet Viola villosa FACUCarolina Wild Petunia Ruellia caroliniensis FACCarolina Willow Salix caroliniana FACWCarpenter's-Square Scrophularia marilandica FACUCarpet Vervain Verbena bracteata FACUCarrizo Creek Groundsel Packera spellenbergii FACUCascade Azalea Rhododendron albiflorum FACWCascade Mountain-Ash Sorbus scopulina FACUCastor-Bean Ricinus communis FACUCatbird Grape Vitis palmata FACWCatchfly Grass Leersia lenticularis OBLCatchfly Prairie-Gentian Eustoma exaltatum FACWCatnip Nepeta cataria FACUCat-Tail Gayfeather Liatris pycnostachya FACCat-Tail Sedge Carex typhina OBLCedar Elm Ulmus crassifolia FACCerro Hawthorn Crataegus erythropoda FACChaffweed Lysimachia minima FACWChairmaker's Club-Rush Schoenoplectus americanus OBLChamber-Bitter Phyllanthus urinaria FACChameleon Houttuynia cordata FACChamisso's Candy-Flower Montia chamissoi OBLChamisso's Cotton-Grass Eriophorum chamissonis OBLChaparral Willowherb Epilobium minutum FACUChapman's Arrowhead Sagittaria chapmanii OBLChapman's Blue Grass Poa chapmaniana FACUChapman's Yellow Star-Grass Hypoxis rigida FACWCheckered Rattlesnake-PlantainGoodyera tesselata FACUCherokee Sedge Carex cherokeensis FACWCherry-Bark Oak Quercus pagoda FACChestnut Rush Juncus castaneus OBLChestnut-Color Sedge Carex castanea FACWChickasaw Rose Rosa bracteata FACUChickenclaws Sarcocornia ambigua OBL

Chickenspike Sphenoclea zeylanica OBLChicory Cichorium intybus FACUChihuahuan Arrowhead Sagittaria demersa OBLChina-Berry Melia azedarach FACUChinaroot Smilax hispida FACChinese Bush-Clover Lespedeza cuneata FACUChinese Elm Ulmus parvifolia UPLChinese Hemlock-Parsley Conioselinum chinense FACWChinese Mustard Brassica juncea FACUChinese Privet Ligustrum sinense UPLChinese Silver Grass Miscanthus sinensis FACUChinese Tallowtree Triadica sebifera FACChinese-Lantern Quincula lobata UPLChinkapin Oak Quercus muehlenbergii FACChiricahua Mountain StinkweedCleomella longipes FACChocolate-Weed Melochia corchorifolia FACChoke Cherry Prunus virginiana FACUChristmas Fern Polystichum acrostichoides FACUChristmas-Candlestick Leonotis nepetifolia FACUChufa Cyperus esculentus FACWChurch-Mouse Three-Awn Aristida dichotoma FACUCinnamon Fern Osmundastrum cinnamomeum FACWClammy Azalea Rhododendron viscosum FACWClammy Hedge-Hyssop Gratiola neglecta OBLClark Valley Larkspur Delphinium geraniifolium FACClasping Pepperwort Lepidium perfoliatum FACClasping Twistedstalk Streptopus amplexifolius FACWClasping Yellowtops Flaveria chlorifolia FACWClasping-Coneflower Dracopis amplexicaulis FACClasping-Leaf St. John's-Wort Hypericum gymnanthum FACWClasping-Leaf Venus'-Looking-Glass Triodanisperfoliata FACCleft Sedge Carex fissuricola FACWClimbing Black-Bindweed Fallopia scandens FACUClimbing Dayflower Commelina diffusa FACWClimbing Hempvine Mikania scandens FACWClimbing Nightshade Solanum dulcamara FACUClimbing Rose Rosa setigera FACUClimbing-Dogbane Thyrsanthella difformis FACWClinton's Leafless-Bulrush Trichophorum clintonii FACUClosed Bottle Gentian Gentiana andrewsii FACClosed Gentian Gentiana rubricaulis OBLCloud Sedge Carex haydenii OBLClustered Beak Sedge Rhynchospora glomerata OBLClustered Black-Snakeroot Sanicula odorata FACClustered Burr-Reed Sparganium glomeratum OBLClustered Bush-Mint Hyptis alata OBLClustered Fescue Festuca paradoxa FACClustered Field Sedge Carex praegracilis FACWClustered Marsh Squaw-Weed Tephroseris palustris FACWClustered Mille-Graines Oldenlandia uniflora FACWClustered Mountain-Mint Pycnanthemum muticum UPLClustered Yellowtops Flaveria trinervia FACCoaltown Sagebrush Artemisia cana FACUCoarse Globe Beak Sedge Rhynchospora recognita FACWCoastal Marsh-Pennywort Hydrocotyle bonariensis FACWCoastal Salt Grass Distichlis spicata FACWCoastal Scorpion-Weed Phacelia laxa FACCoastal Searocket Cakile lanceolata FACWCoastal Sedge Carex exilis OBLCoastal Sweet-Pepperbush Clethra alnifolia FACWCoastal-Plain Beak Sedge Rhynchospora stenophylla OBLCoastal-Plain Sedge Carex crebriflora OBL

Coastal-Plain Umbrella Sedge Fuirena longa OBLCoastal-Plain Yellow-Eyed-Grass Xyrisambigua OBLCoastal-Sand Sedge Carex incurviformis FACCoatbuttons Tridax procumbens FACUCockroach-Berry Solanum capsicoides FACUCock's-Head Astragalus agrestis FACUCock-Spur Hawthorn Crataegus crus-galli FACCoco-Yam Colocasia esculenta OBLCodlins-and-Cream Epilobium hirsutum FACWCoffeeweed Senna obtusifolia FACUCogon Grass Imperata cylindrica FACUColombian Brome Bromus vulgaris UPLColombian Waxweed Cuphea carthagenensis FACColonial Bent Agrostis capillaris FACColorado Rush Juncus confusus FACWColorado Wood-Rush Luzula subcapitata OBLColumbian Monkshood Aconitum columbianum FACWColumbian Sedge Carex aperta FACWColumbian Watermeal Wolffia columbiana OBLComb-Leaf Mermaidweed Proserpinaca pectinata OBLCommon Alp-Lily Lloydia serotina FACUCommon Blown Grass Lachnagrostis filiformis FACUCommon Boneset Eupatorium perfoliatum FACWCommon Buttonbush Cephalanthus occidentalis OBLCommon Canary Grass Phalaris canariensis FACUCommon Chickweed Stellaria media FACUCommon Dandelion Taraxacum officinale FACUCommon Duckmeat Spirodela polyrhiza OBLCommon Duckweed Lemna minor OBLCommon Fig Ficus carica FACUCommon Fox Sedge Carex vulpinoidea FACWCommon Globe-Amaranth Gomphrena globosa UPLCommon Gypsyweed Veronica officinalis UPLCommon Hackberry Celtis occidentalis FACUCommon Hop Humulus lupulus FACUCommon Hoptree Ptelea trifoliata FACCommon Juniper Juniperus communis UPLCommon Mare's-Tail Hippuris vulgaris OBLCommon Marsh-Mallow Althaea officinalis FACWCommon Milkweed Asclepias syriaca UPLCommon Moonwort Botrychium lunaria FACCommon Morning-Glory Ipomoea purpurea FACUCommon Mouse-Ear ChickweedCerastium fontanum FACUCommon Nipplewort Lapsana communis FACCommon Panic Grass Panicum capillare FACCommon Pawpaw Asimina triloba FACUCommon Persimmon Diospyros virginiana FACCommon Red Raspberry Rubus idaeus FACUCommon Reed Phragmites australis FACWCommon River Grass Scolochloa festucacea OBLCommon Rush Juncus pylaei OBLCommon Selfheal Prunella vulgaris FACCommon Sheep Sorrel Rumex acetosella FACCommon Silver-Hair Grass Aira caryophyllea FACUCommon Snowberry Symphoricarpos albus UPLCommon Sow-Thistle Sonchus oleraceus UPLCommon Spike-Rush Eleocharis palustris OBLCommon St. John's-Wort Hypericum perforatum UPLCommon Sunflower Helianthus annuus FACUCommon Tansy Tanacetum vulgare FACUCommon Three-Seed-Mercury Acalypha rhomboidea FACUCommon Timothy Phleum pratense FACU

Common Velvet Grass Holcus lanatus FACCommon Water-Hyacinth Eichhornia crassipes OBLCommon Wood-Rush Luzula multiflora FACCommon Wormwood Artemisia vulgaris UPLCommon Yampah Perideridia gairdneri FACUCommon Yarrow Achillea millefolium FACUCommon-Wireweed Sida acuta UPLCompact Brome Bromus madritensis UPLCone-Cup Spike-Rush Eleocharis tuberculosa OBLCoon's-Tail Ceratophyllum demersum OBLCooper's Milk-Vetch Astragalus neglectus UPLCopper Iris Iris fulva OBLCopperweed Euphrosyne acerosa UPLCoral Dropseed Sporobolus domingensis FACUCoral-Berry Symphoricarpos orbiculatus FACUCordilleran Leopardbane Arnica mollis FACCordilleran Valerian Valeriana acutiloba FACCorky-Stem Passion-Flower Passiflora suberosa UPLCorn Speedwell Veronica arvensis FACUCorpse Black-Bindweed Fallopia dumetorum FACUCorpus Christi Fleabane Erigeron procumbens FACWCorrell's False Dragonhead Physostegia correllii OBLCotton-Batting-Plant Pseudognaphalium stramineum

FACCottongrass Bulrush Scirpus cyperinus OBLCoulter's Woolwort Laennecia coulteri FACWCow Clover Trifolium wormskioldii FACWCowcockle Vaccaria hispanica UPLCoyote Tobacco Nicotiana attenuata FACCrawe's Sedge Carex crawei FACWCrawford's Sedge Carex crawfordii OBLCream Woodbeauty Drymocallis convallaria FACUCreeping Burrhead Echinodorus cordifolius OBLCreeping Buttercup Ranunculus repens FACWCreeping Eryngo Eryngium prostratum FACWCreeping Juniper Juniperus horizontalis UPLCreeping Love Grass Eragrostis reptans OBLCreeping Meadow-Foxtail Alopecurus arundinaceus FACWCreeping Molasses Grass Melinis repens UPLCreeping Primrose-Willow Ludwigia repens OBLCreeping River Grass Echinochloa polystachya FACWCreeping Spike-Rush Eleocharis fallax OBLCreeping Water-Hyssop Bacopa repens OBLCreeping Wild Rye Elymus repens FACUCreeping Yellow Wood-Sorrel Oxalis corniculata FACUCreeping Yellowcress Rorippa sylvestris FACWCreeping-Glow-Wort Sibbaldia procumbens FACUCreeping-Inchplant Callisia repens FACUCreeping-Jenny Lysimachia nummularia FACWCreeping-Snowberry Gaultheria hispidula FACWCress-Leaf Groundsel Packera glabella FACWCrested Anoda Anoda cristata FACCrested Arrowhead Sagittaria cristata OBLCrested Dog's-Tail Grass Cynosurus cristatus FACUCrested Saltbush Atriplex mucronata FACCrested Sedge Carex cristatella FACWCrested Wood Fern Dryopteris cristata OBLCrested Yellow Orchid Platanthera cristata OBLCrimson-Eyed Rose-Mallow Hibiscus moscheutos OBLCrippled-Cranefly Tipularia discolor FACCrossvine Bignonia capreolata FACCrow Garlic Allium vineale FACUCrow-Foot Violet Viola pedatifida FACUCrowned Beggarticks Bidens trichosperma OBL

Crowpoison Nothoscordum bivalve FACUCuban-Jute Sida rhombifolia FACUCucumber-Leaf Sunflower Helianthus debilis FACCucumber-Tree Magnolia acuminata FACUCultivated Rice Oryza sativa OBLCultivated Tobacco Nicotiana tabacum UPLCulver's-Root Veronicastrum virginicum FACCumberland Sand-Reed Calamovilfa arcuata OBLCup-Plant Silphium perfoliatum FACCupseed Calycocarpum lyonii FACWCurly Blue Grass Poa secunda FACUCurly Dock Rumex crispus FACCurly Pondweed Potamogeton crispus OBLCurly Sedge Carex rupestris FACUCurly-Cup Gumweed Grindelia squarrosa UPLCursed Buttercup Ranunculus sceleratus OBLCurtiss' Yellow Star-Grass Hypoxis curtissii FACWCurved Sickle Grass Parapholis incurva FACUCurved Wood-Rush Luzula arcuata FACUCurve-Pod Yellowcress Rorippa curvisiliqua OBLCushion Wild Buckwheat Eriogonum ovalifolium UPLCushion-Pink Silene acaulis FACCusick's Speedwell Veronica cusickii FACCusp Clover Trifolium mucronatum FACWCut-Leaf Blackberry Rubus laciniatus FACUCut-Leaf Evening-Primrose Oenothera laciniata FACUCut-Leaf Grape Fern Sceptridium dissectum FACCut-Leaf Ground-Cherry Physalis angulata FACCut-Leaf Teasel Dipsacus laciniatus UPLCut-Leaf Toothwort Cardamine concatenata FACUCut-Leaf Water-Horehound Lycopus americanus OBLCut-Leaf Water-Milfoil Myriophyllum pinnatum OBLCut-Leaf-Water-Parsnip Berula erecta OBLCylinder Spike-Rush Eleocharis cylindrica OBLCylindric-Fruit Primrose-Willow Ludwigia glandulosa OBLCypress Rosette Grass Dichanthelium dichotomum FACCypress-Knee Sedge Carex decomposita OBLCypress-Like Sedge Carex pseudocyperus OBLCypress-Swamp Sedge Carex joorii OBLCypress-Vine Ipomoea quamoclit FACUDaffodil Leopardbane Arnica latifolia FACDagger-Leaf Rush Juncus ensifolius FACWDagger-Leaf Spike-Rush Eleocharis lanceolata FACWDaisy-Leaf Moonwort Botrychium matricariifolium FACUDark Beardtongue Penstemon whippleanus FACUDark-Green Bulrush Scirpus atrovirens OBLDark-Throat Shootingstar Dodecatheon pulchellum FACWDarlington's Oak Quercus hemisphaerica FACWDavis' Sedge Carex davisii FACDay Flowering-Jassamine Cestrum diurnum UPLDeciduous Holly Ilex decidua FACDeciduous Traveler's-Joy Clematis ligusticifolia FACUDeer Grass Muhlenbergia rigens FACUDeer Sedge Carex hallii FACDeerberry Vaccinium stamineum FACUDeer-Root Iva axillaris FACDeer-Tongue Rosette Grass Dichanthelium clandestinum FACDelicate Spike-Rush Eleocharis bella FACWDelta Arrowhead Sagittaria platyphylla OBLDelta Club-Rush Schoenoplectus deltarum OBLDense-Flower Cord Grass Spartina densiflora OBLDense-Flower Dock Rumex densiflorus FACWDense-Tuft Hair Sedge Bulbostylis capillaris FACUDeptford Pink Dianthus armeria UPL

Desert American-Aster Symphyotrichum expansum OBLDesert Horse-Purslane Trianthema portulacastrum FACWDesert Mountain-Pink Zeltnera exaltata FACWDesert Ragwort Senecio eremophilus FACDesert Tobacco Nicotiana obtusifolia FACUDesert-Willow Chilopsis linearis FACUDevil's-Club Oplopanax horridus FACUDevil's-Darning-Needles Clematis virginiana FACDevil's-Horsewhip Achyranthes aspera UPLDevil's-Pitchfork Bidens frondosa FACWDevil's-Walkingstick Aralia spinosa FACUDevilwood Cartrema americana FACDewey's Sedge Carex deweyana FACUDewy-Stem Willow Salix irrorata FACWDiamond-Leaf Frogfruit Phyla fruticosa FACDiamond-Leaf Pseudosaxifrage Micranthes rhomboidea FACDifferent-Nerve Sedge Carex heteroneura FACWDiluvim Ladies'-Tresses Spiranthes diluvialis FACWDioecious Sedge Carex sterilis OBLDisk Water-Hyssop Bacopa rotundifolia OBLDitch Rabbit's-Foot Grass Polypogon interruptus OBLDitch Reed Grass Calamagrostis scopulorum FACDitch-Stonecrop Penthorum sedoides OBLDixie Liverseed Grass Urochloa ramosa FACUDixie Stitchwort Minuartia muscorum FACUDixie Tick-Trefoil Desmodium tortuosum FACUDock-Leaf Smartweed Persicaria lapathifolia OBLDog-Fennel Eupatorium capillifolium FACUDoor-Yard Dock Rumex longifolius FACDot-Leaf Water-Lily Nymphaea ampla OBLDotted Duckmeat Landoltia punctata OBLDotted Smartweed Persicaria punctata OBLDouglas' Knotweed Polygonum douglasii FACUDouglas' Sedge Carex douglasii FACDouglas-Fir Pseudotsuga menziesii FACUDowny Birch Betula pubescens FACWDowny Carrion-Flower Smilax pulverulenta FACUDowny Hawthorn Crataegus mollis FACDowny Lobelia Lobelia puberula FACWDowny Milk-Pea Galactia volubilis FACUDowny Phlox Phlox pilosa FACUDowny Service-Berry Amelanchier arborea FACUDowny Willowherb Epilobium strictum OBLDowny Yellow Violet Viola pubescens FACUDragon's-Mouth Arethusa bulbosa OBLDrumheads Polygala cruciata OBLDrummond's Halfchaff Sedge Lipocarpha drummondii FACWDrummond's Rush Juncus drummondii FACWDrummond's Sedge Cyperus drummondii OBLDrummond's Willow Salix drummondiana FACWDry-Spike Sedge Carex siccata UPLDuck-Potato Sagittaria latifolia OBLDudley's Rush Juncus dudleyi FACWDune False Bluestem Schizachyrium littorale FACWDurango Yellowcress Rorippa ramosa FACWDusky Willow Salix melanopsis FACWDusky-Seed Sedge Carex pelocarpa FACUDwarf Arctic Groundsel Packera heterophylla FACUDwarf Bladderwort Utricularia ochroleuca OBLDwarf Blueberry Vaccinium caespitosum FACDwarf Blue-Eyed-Grass Sisyrinchium minus FACUDwarf Burhead Pygmy SwordplantHelanthium tenellum OBLDwarf Buttercup Ranunculus pygmaeus FACW

Dwarf Chinkapin Oak Quercus prinoides UPLDwarf Palmetto Sabal minor FACWDwarf Plantain Plantago pusilla FACDwarf Red Raspberry Rubus pubescens FACWDwarf Saltwort Salicornia bigelovii OBLDwarf Scouring-Rush Equisetum scirpoides FACDwarf St. John's-Wort Hypericum mutilum FACWDwarf Sundew Drosera brevifolia OBLDwarf Thistle Cirsium drummondii FACDwarf Umbrella Sedge Fuirena pumila OBLDwarf Water-Lily Nymphaea leibergii OBLDwarf Woollyheads Psilocarphus brevissimus FACWEared Redstem Ammannia auriculata OBLEarly Azalea Rhododendron prinophyllum FACEarly Blue Violet Viola subsinuata FACUEarly Buttercup Ranunculus fascicularis FACEarly Crown Grass Paspalum praecox FACWEarly Meadow-Rue Thalictrum dioicum FACWEarly St. John's-Wort Hypericum nudiflorum FACWEarly-Leaf Brome Bromus latiglumis FACWEastern Arborvitae Thuja occidentalis FACWEastern Black Nightshade Solanum ptychanthum FACUEastern Blue-Eyed-Grass Sisyrinchium atlanticum FACWEastern Bluestar Amsonia tabernaemontana FACWEastern Bottle-Brush Grass Elymus hystrix FACUEastern Cottonwood Populus deltoides FACEastern Daisy Fleabane Erigeron annuus FACUEastern False Rue-Anemone Enemion biternatum FACEastern Featherbells Stenanthium gramineum FACEastern Fox Sedge Carex triangularis OBLEastern Hop-Hornbeam Ostrya virginiana FACUEastern Leatherwood Dirca palustris FACEastern Marsh Fern Thelypteris palustris OBLEastern Mock Grama Tripsacum dactyloides FACEastern Narrow-Leaf Sedge Carex amphibola OBLEastern Poison Ivy Toxicodendron radicans FACUEastern Poison-Oak Toxicodendron pubescens FACUEastern Prickly Gooseberry Ribes cynosbati FACUEastern Red-Cedar Juniperus virginiana UPLEastern Star Sedge Carex radiata FACEastern Swamp PseudosaxifrageMicranthes pensylvanica FACWEastern Swamp-Privet Forestiera acuminata OBLEastern Teaberry Gaultheria procumbens FACUEastern Wahoo Euonymus atropurpureus FACUEastern White Pine Pinus strobus FACUEastern Woodland Sedge Carex blanda FACEastern Yellow Star-Grass Hypoxis hirsuta FACWEbony Spleenwort Asplenium platyneuron FACUEdwards Plateau Cornsalad Valerianella texana FACEgg-Leaf Indian-Plantain Arnoglossum ovatum FACEgg-Leaf Rosette Grass Dichanthelium ovale FACUEggleston's Sedge Carex egglestonii FACUEgyptian Water Crown Grass Paspalidium geminatum OBLEight-Flower Six-Weeks Grass Vulpia octoflora FACUEight-Petal Mountain-Avens Dryas ajanensis UPLElectric Peak Larkspur Delphinium glaucescens FACUElegant Milk-Vetch Astragalus eucosmus FACUElephant Grass Cenchrus purpureus FACElk Sedge Carex garberi FACWElk Thistle Cirsium foliosum FACUElliot's Love Grass Eragrostis elliottii FACWElliott's Bent Agrostis elliottiana FACUElliott's Blueberry Vaccinium elliottii FACW

Elliott's Bluestem Andropogon gyrans FACUElliptic Spike-Rush Eleocharis elliptica OBLEmory's Sedge Carex emoryi OBLEngelmann's Knotweed Polygonum engelmannii FACUEngelmann's Sea-Grass Halophila engelmannii OBLEngelmann's Spike-Rush Eleocharis engelmannii FACWEngelmann's Spruce Picea engelmannii FACEnglish Ivy Hedera helix UPLEnglish Plantain Plantago lanceolata FACEntire-Leaf Indian-Paintbrush Castilleja indivisa FACEntire-Leaf Rosewort Rhodiola integrifolia FACUEntire-Leaf Rosinweed Silphium integrifolium FACEntire-Leaf Thelypody Thelypodium integrifolium FACWEpiphytic Flat Sedge Cyperus lanceolatus FACWErect Knotweed Polygonum erectum FACErect Prickly-Pear Opuntia stricta FACUErect Spiderling Boerhavia erecta UPLErect Tropical Daisy Egletes viscosa FACWEula's American-Aster Symphyotrichum eulae FACEurasian Water-Milfoil Myriophyllum spicatum OBLEurasian-Buttercup Ficaria verna FACWEuropean Alder Alnus glutinosa FACWEuropean Barberry Berberis vulgaris UPLEuropean Bird Cherry Prunus padus UPLEuropean Buckthorn Rhamnus cathartica FACUEuropean Burr-Reed Sparganium emersum OBLEuropean Privet Ligustrum vulgare FACUEuropean Weeping Birch Betula pendula FACUEvening Rain-Lily Cooperia chlorosolen FACEvening Trumpet-Flower Gelsemium sempervirens FACUEvergreen Bayberry Morella caroliniensis FACEyebane Euphorbia nutans FACUFairy Beak Sedge Rhynchospora pusilla FACWFairy-Slipper Orchid Calypso bulbosa FACWFalkland Island Sedge Carex macloviana FACWFall Knotweed Polygonum spergulariiforme FACUFall Panic Grass Panicum dichotomiflorum FACFall Phlox Phlox paniculata FACUFall Sneezeweed Helenium autumnale FACWFalling Dewberry Rubus apogaeus FACUFalse Daisy Eclipta prostrata FACWFalse Fissurewort Transberingia bursifolia FACUFalse Hair Sedge Carex bulbostylis FACWFalse Hop Sedge Carex lupuliformis OBLFalse Indigo-Bush Amorpha fruticosa FACWFalse Lily-of-the-Valley Maianthemum canadense FACUFalse Mayweed Tripleurospermum maritimum FACFalse Melic Grass Schizachne purpurascens FACUFalse Mermaidweed Floerkea proserpinacoides FACWFalse Mountain Willow Salix pseudomonticola FACWFalse Rhodes Grass Leptochloa crinita FACUFalse Uncinia Sedge Carex microglochin OBLFarewell-Summer Symphyotrichum lateriflorum FACWFar-Northern Buttercup Ranunculus hyperboreus OBLFarr's Willow Salix farriae OBLFascicled Beak Sedge Rhynchospora fascicularis OBLFeather Windmill Grass Chloris virgata FACUFeather-Bristle Beak Sedge Rhynchospora oligantha OBLFeather-Stem Club-Moss Lycopodiella prostrata OBLFeathery False Solomon's-Seal Maianthemum racemosum FACFelwort Swertia perennis FACFen Grass-of-Parnassus Parnassia glauca OBLFendler's Cowbane Oxypolis fendleri FACWFendler's Flat Sedge Cyperus fendlerianus FAC

Fendler's Meadow-Rue Thalictrum fendleri FACFendler's Waterleaf Hydrophyllum fendleri FACWFern Pondweed Potamogeton robbinsii OBLFescue Sedge Carex festucacea FACWFew-Flower Beak Sedge Rhynchospora rariflora OBLFew-Flower Beggarticks Bidens leptocephala FACWFew-Flower Nut-Rush Scleria pauciflora FACWFew-Flower Sedge Carex pauciflora OBLFew-Flower Spike-Rush Eleocharis quinqueflora OBLFew-Leaf Sunflower Helianthus occidentalis FACUFew-Nerve Cotton-Grass Eriophorum tenellum OBLFew-Seed Sedge Carex oligosperma OBLFiddle Dock Rumex pulcher FACWFiddle-Leaf Hawk's-Beard Crepis runcinata FACFiddle-Leaf Tobacco Nicotiana repanda FACField Blackberry Rubus arvensis FACField Brome Bromus arvensis FACUField Crown Grass Paspalum laeve FACWField Horsetail Equisetum arvense FACField Meadow-Foxtail Alopecurus pratensis FACWField Mouse-Ear Chickweed Cerastium arvense FACUField Pansy Viola bicolor FACField Pennycress Thlaspi arvense FACUField Pussytoes Antennaria neglecta FACUField Sow-Thistle Sonchus arvensis FACField Thistle Cirsium discolor FACUFinger False Dragonhead Physostegia digitalis FACWFinger Flat Sedge Cyperus digitatus FACWFinger-Dogshade Cynosciadium digitatum FACWFire Cherry Prunus pensylvanica FACUFire-on-the-Mountain Euphorbia cyathophora UPLFirewheel Gaillardia pulchella UPLFive-Horn Smotherweed Bassia hyssopifolia FACUFive-Leaf Chastetree Vitex negundo UPLFive-Lobe-Cucumber Cayaponia quinqueloba FACFive-Petal Cliffbush Jamesia americana FACUFive-Stamen Tamarisk Tamarix chinensis FACWFlat-Leaf Bladderwort Utricularia intermedia OBLFlat-Stalk Pondweed Potamogeton friesii OBLFlat-Stem Blue Grass Poa compressa FACUFlat-Stem Pondweed Potamogeton zosteriformis OBLFlat-Stem Spike-Rush Eleocharis compressa FACWFlattened Pipewort Eriocaulon compressum OBLFlat-Top Goldentop Euthamia graminifolia FACWFleshy Clapdaisy Clappia suaedifolia FACWFleshy Starwort Stellaria crassifolia OBLFloating Burr-Reed Sparganium fluctuans OBLFloating Manna Grass Glyceria septentrionalis OBLFloating Marsh-Pennywort Hydrocotyle ranunculoides OBLFloating Primrose-Willow Ludwigia peploides OBLFlodman's Thistle Cirsium flodmanii FACFlorida Bluehearts Buchnera floridana FACFlorida Crown Grass Paspalum floridanum FACWFlorida Hedge-Nettle Stachys floridana FACFlorida Mayten Maytenus phyllanthoides FACFlorida Pellitory Parietaria floridana FACUFlorida Tassel-Flower Emilia fosbergii UPLFlowering Dogwood Cornus florida FACUFlowering-Quillwort Triglochin scilloides OBLFold-Ear Lobelia Lobelia flaccidifolia FACWForest Blue Grass Poa nemoralis FACUForked Bluecurls Trichostema dichotomum FACForked Fimbry Fimbristylis dichotoma FACWForked Rush Juncus dichotomus FACW

Four-Angle Flat Sedge Cyperus tetragonus FACFour-Flower Yellow-Loosestrife Lysimachia quadriflora FACWFour-Line Honeysuckle Lonicera involucrata FACUFour-Spike Finger Grass Eustachys neglecta FACUFour-Spike Heliotrope Heliotropium procumbens FACWFour-Wing Evening-Primrose Oenothera tetraptera FACFowl Blue Grass Poa palustris FACWFowl Manna Grass Glyceria striata OBLFoxglove Beardtongue Penstemon digitalis FACWFox-Tail Barley Hordeum jubatum FACWFox-Tail Club-Moss Lycopodiella alopecuroides OBLFox-Tail Muhly Muhlenbergia andina FACFox-Tail Prairie-Clover Dalea leporina UPLFox-Tail Prickle Grass Crypsis alopecuroides FACWFox-Tail Sedge Carex alopecoidea FACWFragile-Stem American-Aster Symphyotrichum racemosum FACWFragrant Bedstraw Galium triflorum FACUFragrant Heliotrope Heliotropium greggii FACWFragrant Indigo-Bush Amorpha nana UPLFragrant Spike Sedge Kyllinga odorata FACWFragrant Sumac Rhus aromatica UPLFranciscan Bluebells Mertensia franciscana FACWFrank's Sedge Carex frankii OBLFraser's St. John's-Wort Hypericum fraseri OBLFreckled Milk-Vetch Astragalus lentiginosus FACUFremont's Goosefoot Chenopodium fremontii FACUFrench Tamarisk Tamarix gallica FACWFreshwater Cord Grass Spartina pectinata FACWFringed Brome Bromus ciliatus FACFringed Grass-of-Parnassus Parnassia fimbriata OBLFringed Greenbrier Smilax bona-nox FACUFringed Nut-Rush Scleria ciliata FACFringed Sedge Carex crinita OBLFringed Sneezeweed Helenium drummondii FACWFringed Twinevine Funastrum cynanchoides FACUFringed Willowherb Epilobium ciliatum FACWFringed Windmill Grass Chloris ciliata UPLFringed Yellow-Loosestrife Lysimachia ciliata FACWFringe-Leaf Lobelia Lobelia fenestralis FACFringe-Leaf Wild Petunia Ruellia humilis FACFrog-Bit Buttercup Ranunculus hydrocharoides OBLFrost Grape Vitis vulpina FACFuller's Teasel Dipsacus fullonum FACUFunck's Hair Sedge Bulbostylis funckii FACWFuzzy Maidenhair Adiantum tricholepis FACGalingale Cyperus fuscus FACWGallant-Soldier Galinsoga parviflora UPLGaping Grass Steinchisma hians FACWGarden Bird's-Foot-Trefoil Lotus corniculatus FACUGarden Cornflower Centaurea cyanus FACUGarden Cosmos Cosmos bipinnatus FACWGarden Orache Atriplex hortensis FACGarden Vetch Vicia sativa FACUGarden Yellow-Rocket Barbarea vulgaris FACUGarden-Balsam Impatiens balsamina UPLGarlic-Mustard Alliaria petiolata FACUGaywings Polygaloides paucifolia FACUGeorgia Bulrush Scirpus georgianus OBLGeorgia Holly Ilex longipes FACWGermander Speedwell Veronica chamaedrys UPLGerman-Madwort Asperugo procumbens UPLGeyer's Onion Allium geyeri FACUGeyer's Willow Salix geyeriana OBLGhiesbreght's Panic Grass Panicum ghiesbreghtii FACW

Giant Angelica Angelica ampla FACWGiant Blue Iris Iris giganticaerulea OBLGiant Bristle Grass Setaria magna FACWGiant Cane Arundinaria gigantea FACWGiant Dropseed Sporobolus giganteus UPLGiant Helleborine Epipactis gigantea OBLGiant Ironweed Vernonia gigantea FACGiant Lousewort Pedicularis procera FACGiant Lyme Grass Leymus condensatus FACUGiant Plume Grass Saccharum giganteum FACWGiant Sunflower Helianthus giganteus FACGiant Taro Alocasia macrorrhizos FACWGiant-Chickweed Myosoton aquaticum FACGiant-Knotweed Reynoutria sachalinensis UPLGiant-Reed Arundo donax FACGlade Morning-Glory Ipomoea sagittata FACWGlandular Willowherb Epilobium hallianum FACWGlaucous Willowherb Epilobium glaberrimum FACWGlobe Beak Sedge Rhynchospora globularis FACWGlobe Flat Sedge Cyperus echinatus FACGlobe-Fruit Primrose-Willow Ludwigia sphaerocarpa OBLGlobe-Pod Pepperwort Lepidium appelianum FACGloria-de-la-Manana Ipomoea carnea FACUGlossy False Buckthorn Frangula alnus FACGlossy-Seed Yellow Star-Grass Hypoxissessilis FACGoatweed Capraria biflora FACWGolden Alexanders Zizia aurea FACGolden Colicroot Aletris aurea FACWGolden Columbine Aquilegia chrysantha FACWGolden Crown Grass Paspalum dilatatum FACGolden Crownbeard Verbesina encelioides FACGolden Currant Ribes aureum FACUGolden Gladecress Leavenworthia aurea FACUGolden Groundsel Packera aurea FACWGolden Hedge-Hyssop Gratiola aurea OBLGolden Saxifrage Saxifraga chrysantha FACUGolden Tickseed Coreopsis tinctoria FACGolden Whitlow-Grass Draba aurea FACGolden-Fruit Sedge Carex aurea OBLGolden-Hardhack Dasiphora fruticosa FACWGolden-Tongue Owl-Clover Orthocarpus luteus FACUGold-of-Pleasure Camelina sativa FACUGoodding's Black Willow Salix gooddingii FACWGopher-Tail Love Grass Eragrostis ciliaris FACUGraceful Buttercup Ranunculus inamoenus FACWGraceful Cinquefoil Potentilla gracilis FACGraceful Sandmat Euphorbia hypericifolia FACUGraceful Sedge Carex gracillima FACWGrand Redstem Ammannia robusta OBLGrass-Leaf Arrowhead Sagittaria graminea OBLGrass-Leaf Barbara's-Buttons Marshallia graminifolia OBLGrass-Leaf Lettuce Lactuca graminifolia FACGrass-Leaf Mud-Plantain Heteranthera dubia OBLGrass-Leaf Speedwell Veronica scutellata OBLGrass-Leaf Starwort Stellaria graminea FACUGrass-Like Fimbry Fimbristylis littoralis OBLGrassy Pondweed Potamogeton gramineus OBLGravel-Bar Muhly Muhlenbergia eludens FACGray Dogwood Cornus racemosa FACGray Willow Salix bebbiana FACWGray-Bark Grape Vitis cinerea FACGray-Leaf Willow Salix glauca FACWGray's Beak Sedge Rhynchospora grayi FAC

Gray's Sedge Carex grayi FACWGreasewood Sarcobatus vermiculatus FACGreat Basin Lyme Grass Leymus cinereus UPLGreat Blue Lobelia Lobelia siphilitica OBLGreat Coneflower Rudbeckia maxima FACWGreat Mullein Verbascum thapsus UPLGreat Plains False Willow Baccharis salicina FACGreat Plains Flat Sedge Cyperus lupulinus FACUGreat Plains Groundsel Packera tampicana FACWGreat Plains Ladies'-Tresses Spiranthes magnicamporum FACGreat Plantain Plantago major FACGreat Ragweed Ambrosia trifida FACGreat Red Indian-Paintbrush Castilleja miniata FACGreater Bladder Sedge Carex intumescens OBLGreater Bladderwort Utricularia macrorhiza OBLGreater Canadian St. John's-WortHypericum majus FACWGreater Celandine Chelidonium majus FACUGreater Creeping Spearwort Ranunculus flammula FACWGreater Flowering-Rush Butomus umbellatus OBLGreater Four-Point Evening-PrimroseOenothera rhombipetala FACUGreater Fringed-Gentian Gentianopsis crinita OBLGreater St. John's-Wort Hypericum walteri OBLGreater Straw Sedge Carex normalis OBLGreater Water Dock Rumex britannica OBLGreater Water-Starwort Callitriche heterophylla OBLGreater Yellow Water ButtercupRanunculus flabellaris OBLGreek-Valerian Polemonium reptans FACGreen Adder's-Mouth Orchid Malaxis unifolia FACGreen Arrow-Arum Peltandra virginica OBLGreen Ash Fraxinus pennsylvanica FACGreen Bluebells Mertensia viridis UPLGreen Carpetweed Mollugo verticillata FACGreen False Deathcamas Anticlea virescens FACGreen Flat Sedge Cyperus virens FACWGreen Fringed Orchid Platanthera lacera FACWGreen Hawthorn Crataegus viridis FACGreen Muhly Muhlenbergia racemosa FACWGreen Woodland Orchid Platanthera clavellata OBLGreendragon Arisaema dracontium FACWGreene's Rush Juncus greenei FACGreen-Eye Heliotrope Heliotropium glabriusculum FACWGreen-Flower Wintergreen Pyrola chlorantha FACUGreen-Head Coneflower Rudbeckia laciniata FACGreenland Primrose Primula egaliksensis FACWGreen-Leaf Rattlesnake-PlantainGoodyera oblongifolia FACUGreen-Molly Neokochia americana FACGreen-Spot Nightshade Solanum douglasii FACGreenstripe Amaranthus acanthochiton FACUGreen-Vein Ladies'-Tresses Spiranthes praecox FACWGreen-White Sedge Carex albolutescens FACWGroove-Stem Indian-Plantain Arnoglossum plantagineum FACGroundivy Glechoma hederacea FACUGroundnut Apios americana FACGroundseltree Baccharis halimifolia FACGrouseberry Vaccinium scoparium FACUGuadalupe Mountain Sedge Carex mckittrickensis FACWGuadalupe Valerian Valeriana texana OBLGuadalupe Waternymph Najas guadalupensis OBLGuadeloupe-Cucumber Melothria pendula FACGuinea Grass Megathyrsus maximus FAC

Gulf Coast Lateral-Bulrush Isolepis pseudosetacea OBLGulf Coast Spike-Rush Eleocharis cellulosa OBLGulf Coast Twinevine Funastrum angustifolium OBLGulf Cock's-Spur Grass Echinochloa crus-pavonis OBLGulf Cord Grass Spartina spartinae FACGulf Dune Crown Grass Paspalum monostachyum FACWGulf Pipewort Eriocaulon koernickianum OBLGulf Searocket Cakile geniculata FACGulf Sebastian-Bush Ditrysinia fruticosa FACGulf Skullcap Scutellaria cardiophylla FACGulf Swampweed Hygrophila lacustris OBLGullfeed Scaevola plumieri FACGum Bully Sideroxylon lanuginosum FACUGypsy-Flower Cynoglossum officinale FACUHair-Awn Muhly Muhlenbergia capillaris FACUHair-Like Sedge Carex capillaris FACWHairy Beakgrain Diarrhena obovata FACHairy Beggarticks Bidens pilosa FACWHairy Big-Leaf Lupine Lupinus prunophilus FACUHairy Bittercress Cardamine hirsuta FACHairy Buttercup Ranunculus sardous FACHairy Cat's-Ear Hypochaeris radicata UPLHairy Clustervine Jacquemontia tamnifolia FACHairy Cornsalad Valerianella amarella FACUHairy Crab Grass Digitaria sanguinalis FACUHairy Crabweed Fatoua villosa FACHairy Eared Rockcress Arabis pycnocarpa FACUHairy Evening-Primrose Oenothera villosa FACUHairy Fimbry Fimbristylis puberula OBLHairy Hedge-Nettle Stachys pilosa FACWHairy Honeysuckle Lonicera hirsuta FACHairy Pagoda-Plant Blephilia hirsuta FACUHairy Primrose-Willow Ludwigia pilosa OBLHairy Solomon's-Seal Polygonatum pubescens FACUHairy Sweet-Cicely Osmorhiza claytonii FACUHairy Umbrella Sedge Fuirena squarrosa OBLHairy Water-Clover Marsilea vestita OBLHairy Wild Rye Elymus villosus FACUHairy Woodland Brome Bromus pubescens FACUHairy Wood-Rush Luzula acuminata FACHairy-Fruit Chervil Chaerophyllum tainturieri FACHairy-Fruit Sedge Carex trichocarpa OBLHairy-Joint Meadow-Parsnip Thaspium barbinode FACHairy-Seed Crown Grass Paspalum pubiflorum FACWHairy-Stem Gooseberry Ribes hirtellum FACHalberd-Leaf Orache Atriplex patula FACWHalberd-Leaf Rose-Mallow Hibiscus laevis OBLHalberd-Leaf Tearthumb Persicaria arifolia OBLHall's Club-Rush Schoenoplectus hallii OBLHall's Panic Grass Panicum hallii FACUHammock Fern Blechnum occidentale FACHammock Sedge Carex fissa OBLHandsome Sedge Carex formosa FACHandsome-Harry Rhexia virginica OBLHapeman's Coolwort Sullivantia hapemanii FACWHard Fescue Festuca trachyphylla UPLHarding Grass Phalaris aquatica FACHard-Leaf Flat-Top-Goldenrod Solidago rigida FACUHard-Stem Club-Rush Schoenoplectus acutus OBLHarlequin Blueflag Iris versicolor OBLHarper's Yellow-Eyed-Grass Xyris scabrifolia OBLHarsh Popcorn-Flower Plagiobothrys hispidulus FACWHart's Groundsel Packera hartiana FACWHartweg's Crown Grass Paspalum hartwegianum FACW

Harvestlice Agrimonia parviflora FACWHarvey's Beak Sedge Rhynchospora harveyi FACHarvey's Buttercup Ranunculus harveyi FACUHastate Orache Atriplex prostrata FACWHayden's Sedge Carex haydeniana FACUHeart-Leaf Alexanders Zizia aptera FACHeart-Leaf Buttercup Ranunculus cardiophyllus FACWHeart-Leaf Four-O'clock Mirabilis nyctaginea UPLHeart-Leaf Nettle Urtica chamaedryoides FACUHeart-Leaf Paper Birch Betula cordifolia FACUHeart-Leaf Peppervine Ampelopsis cordata FACHeart-Leaf Skullcap Scutellaria ovata FACUHeart-Leaf Twayblade Neottia cordata FACUHeart-Wing Sorrel Rumex hastatulus FACHeavenly-Blue Morning-Glory Ipomoea violacea FACHeavy Sedge Carex gravida FACWHedge False Bindweed Calystegia sepium FACHedgeflower Lantana camara FACUHedgehog Wood-Rush Luzula echinata FACHelleborine Epipactis helleborine FACUHeller's Rosette Grass Dichanthelium oligosanthes FACUHeller's Whitlow-Grass Draba helleriana FACUHelmet-Flower Scutellaria integrifolia FACWHemlock Rosette Grass Dichanthelium portoricense FACHemlock Water-Parsnip Sium suave OBLHerb-of-Grace Bacopa monnieri OBLHerb-of-the-Cross Verbena officinalis FACUHerbwilliam Ptilimnium capillaceum FACWHercules'-Club Zanthoxylum clava-herculis FACUHermaphrodite Flat Sedge Cyperus hermaphroditus FACUHierba-Del-Sapo Eryngium nasturtiifolium FACWHighbush Blueberry Vaccinium corymbosum FACWHighbush-Cranberry Viburnum opulus FACHillman's Panic Grass Panicum hillmanii FACUHillside Buttercup Ranunculus jovis FACUHimalayan Blackberry Rubus armeniacus FACHirsute Sedge Carex complanata FACHoar False Tansy-Aster Dieteria canescens UPLHoary Bowlesia Bowlesia incana FACUHoary Sedge Carex canescens OBLHolly-Leaf Oregon-Grape Mahonia aquifolium UPLHolly-Leaf Waternymph Najas marina OBLHolm's Rocky Mountain Sedge Carex scopulorum FACWHoney Mesquite Prosopis glandulosa FACUHoney-Locust Gleditsia triacanthos FACUHoneyvine Cynanchum laeve FACHooded Arrowhead Sagittaria calycina OBLHooded Blue Violet Viola sororia FACHooded Coralroot Corallorhiza striata UPLHooded Ladies'-Tresses Spiranthes romanzoffiana OBLHooded Skullcap Scutellaria galericulata OBLHood's Sedge Carex hoodii UPLHooker's Eryngo Eryngium hookeri FACWHooker's Evening-Primrose Oenothera elata FACWHooker's Orchid Platanthera hookeri FACHook-Spur Violet Viola adunca FACUHop Sedge Carex lupulina OBLHorned Bladderwort Utricularia cornuta OBLHorned Dandelion Taraxacum ceratophorum UPLHorned-Pondweed Zannichellia palustris OBLHornemann's Willowherb Epilobium hornemannii FACWHorsebrier Smilax rotundifolia FACHorsesugar Symplocos tinctoria FACHorse-Tail Crown Grass Paspalum repens OBL

Horsetail Milkweed Asclepias subverticillata FACUHorsetail-Spike-Rush Eleocharis equisetoides OBLHumped Bladderwort Utricularia gibba OBLHusk-Tomato Physalis pubescens FACUHyssop-Leaf Bugseed Corispermum hyssopifolium FACUHyssop-Leaf Sandmat Euphorbia hyssopifolia FACUIdaho Bent Agrostis idahoensis FACWIdaho Blue-Eyed-Grass Sisyrinchium idahoense OBLIdaho Willow Salix wolfii FACWIllinois Pondweed Potamogeton illinoensis OBLIndian Goose Grass Eleusine indica FACUIndian Heliotrope Heliotropium indicum FACWIndian Joint-Vetch Aeschynomene indica FACWIndian Love Grass Eragrostis pilosa FACUIndian Rice Grass Achnatherum hymenoides FACUIndian Sweet-Clover Melilotus indicus FACUIndian Wild Rice Zizania aquatica OBLIndian Wood-Oats Chasmanthium latifolium FACUIndian-Hemp Apocynum cannabinum FACIndianola Beak Sedge Rhynchospora indianolensis FACWIndian-Shot Canna indica FACWIndian-Strawberry Potentilla indica FACIndian-Tobacco Lobelia inflata FACInflated Duckweed Lemna gibba OBLInflated Narrow-Leaf Sedge Carex grisea FACWInflated-Scale Flat Sedge Cyperus aggregatus FACInland Blue Grass Poa interior FACInland Rush Juncus interior FACWInland Sedge Carex interior OBLInnocent-Weed Cenchrus longispinus UPLIntermediate Service-Berry Amelanchier intermedia FACWIntermediate Spike-Rush Eleocharis intermedia OBLIntermountain Bog Orchid Platanthera tescamnis OBLInterrupted Club-Moss Spinulum annotinum FACInterrupted Fern Osmunda claytoniana FACIodinebush Allenrolfea occidentalis FACWItalian Bristle Grass Setaria italica FACUItch Grass Rottboellia cochinchinensis FACUIvy-Leaf Duckweed Lemna trisulca OBLIvy-Leaf Morning-Glory Ipomoea hederacea FACJack Pine Pinus banksiana FACUJack-in-the-Bush Chromolaena odorata FACJack-in-the-Pulpit Arisaema triphyllum FACJamaican-Weed Nama jamaicense FACWJapanese Barberry Berberis thunbergii UPLJapanese Bristle Grass Setaria faberi UPLJapanese Climbing Fern Lygodium japonicum FACWJapanese Honeysuckle Lonicera japonica FACUJapanese Hop Humulus japonicus FACUJapanese Love Grass Eragrostis japonica OBLJapanese Mazus Mazus pumilus FACJapanese Privet Ligustrum japonicum UPLJapanese Stilt Grass Microstegium vimineum FACJapanese Water Grass Echinochloa esculenta FACUJapanese-Clover Kummerowia striata UPLJapanese-Knotweed Reynoutria japonica FACUJapanese-Millet Echinochloa frumentacea UPLJaragua Hyparrhenia rufa FACUJersey Rabbit-Tobacco Pseudognaphalium luteoalbum FACJerusalem-Artichoke Helianthus tuberosus FACUJerusalem-Oak Dysphania botrys FACUJesuit's-Bark Iva frutescens FACWJob's-Tears Coix lacryma-jobi FACWJohnson Grass Sorghum halepense FACU

Jointed Crown Grass Paspalum distichum FACWJointed Flat Sedge Cyperus articulatus OBLJoint-Leaf Rush Juncus articulatus OBLJones' Sedge Carex jonesii FACWJones' Selenia Selenia jonesii FACWJosiah Amaranth Amaranthus greggii FACJuba's-Bush Iresine diffusa FACJuda's-Bush Iresine rhizomatosa FACWJumpseed Persicaria virginiana FACJungle-Rice Echinochloa colona FACWJuniper-Leaf Polypremum procumbens UPLKalm's Brome Bromus kalmii FACUKansas Arrowhead Sagittaria ambigua OBLKariba-Weed Salvinia molesta OBLKeeled Lateral-Bulrush Isolepis carinata FACWKellogg's Knotweed Polygonum kelloggii FACWKellogg's Sedge Carex kelloggii OBLKentucky Blue Grass Poa pratensis FACUKentucky Rush Juncus anthelatus FACWKhus-Khus Chrysopogon zizanioides FACWKidney-Leaf Buttercup Ranunculus abortivus FACKidney-Leaf Grass-of-ParnassusParnassia asarifolia OBLKidney-Leaf Mud-Plantain Heteranthera reniformis OBLKidney-Leaf White Violet Viola renifolia FACWKidney-Shape Sedge Carex reniformis OBLKing Solomon's-Seal Polygonatum biflorum FACUKing's Lupine Lupinus kingii FACKing's-Cureall Oenothera biennis FACUKiss-Me-Over-the-Garden-Gate Persicaria orientalis FACWKiss-Me-Quick Portulaca pilosa FACUKnotted Rush Juncus nodosus OBLKnotted Spike-Rush Eleocharis interstincta OBLKnotty-Leaf Rush Juncus acuminatus OBLKnowlton's Hop-Hornbeam Ostrya knowltonii FACKorean-Clover Kummerowia stipulacea FACUKotzebue's Grass-of-ParnassusParnassia kotzebuei OBLKudzu Pueraria montana UPLKunth's Evening-Primrose Oenothera kunthiana FACUKunth's Maiden Fern Thelypteris kunthii FACLa Plata Sandspurry Spergularia platensis FACWLabrador Indian-Paintbrush Castilleja septentrionalis FACLaceflower Ptilimnium nuttallii FACWLace-Lip Ladies'-Tresses Spiranthes laciniata OBLLacy Sleepy Daisy Xanthisma spinulosum UPLLadder Brake Pteris vittata FACLake Huron Green Orchid Platanthera huronensis OBLLake Mistassini Primrose Primula mistassinica FACWLakebank Sedge Carex lacustris OBLLakecress Rorippa aquatica OBLLakeshore Sedge Carex lenticularis OBLLamarck's Bedstraw Galium divaricatum FACLamb's-Quarters Chenopodium album FACULamb-Tongue Ragwort Senecio integerrimus FACLamp Rush Juncus effusus OBLLance-Leaf Buckthorn Rhamnus lanceolata FACLance-Leaf Figwort Scrophularia lanceolata FACLance-Leaf Gayfeather Liatris lancifolia FACLance-Leaf Goldenweed Pyrrocoma lanceolata FACULance-Leaf Greenbrier Smilax smallii FACULance-Leaf Leopardbane Arnica lanceolata FACLance-Leaf Moonwort Botrychium lanceolatum FACWLance-Leaf Springbeauty Claytonia lanceolata FACW

Lance-Leaf Tickseed Coreopsis lanceolata FACULance-Leaf Twistedstalk Streptopus lanceolatus FACLance-Leaf Yellow-Loosestrife Lysimachia lanceolata FACLanglois' Violet Viola langloisii FACWLanguid-Lady Mertensia oblongifolia FACLapland Sorrel Rumex lapponicus FACLarge Barnyard Grass Echinochloa crus-galli FACLarge Beak Sedge Rhynchospora macra OBLLarge Buttercup Ranunculus macranthus FACWLarge Cranberry Vaccinium macrocarpon OBLLarge Gallberry Ilex coriacea FACWLarge Gray Willow Salix cinerea FACWLarge Mountain Bittercress Cardamine cordifolia OBLLarge Mountain Fleabane Erigeron coulteri FACWLarge Selenia Selenia grandis FACWLarge Sweet Vernal Grass Anthoxanthum odoratum FACLarge-Flower Primrose-Willow Ludwigia grandiflora OBLLarge-Flower Wild Hollyhock Iliamna grandiflora FACWLarge-Leaf Avens Geum macrophyllum FACWLarge-Leaf Grass-of-Parnassus Parnassia grandifolia OBLLarge-Leaf Grove-Sandwort Moehringia macrophylla UPLLarge-Leaf Pondweed Potamogeton amplifolius OBLLarge-Leaf Wood-Aster Eurybia macrophylla FACULarge-Seed Bittercress Cardamine macrocarpa FACWLarge-Seed Forget-Me-Not Myosotis macrosperma FACLate Goldenrod Solidago gigantea FACLate Lowbush Blueberry Vaccinium angustifolium FACULate-Flowering Thoroughwort Eupatorium serotinum FACLaurel Oak Quercus laurifolia FACWLaurel-Leaf Greenbrier Smilax laurifolia OBLLawn American-Aster Symphyotrichum divaricatum OBLLawn Burrweed Soliva sessilis UPLLawn Marsh-Pennywort Hydrocotyle sibthorpioides FACWLax Hornpod Mitreola petiolata FACWLax-Leaf Yellow-Eyed-Grass Xyris laxifolia OBLLeafy American-Aster Symphyotrichum frondosum FACWLeafy Bladderwort Utricularia foliosa OBLLeafy Goosefoot Chenopodium foliosum FACULeafy Leopardbane Arnica chamissonis FACWLeafy Pondweed Potamogeton foliosus OBLLeafy Tussock Sedge Carex aquatilis OBLLeafy-Bract American-Aster Symphyotrichum subspicatum FACLeafy-Bract Dwarf Rush Juncus capitatus FACULean Flat Sedge Cyperus setigerus FACLeast Duckweed Lemna minuta OBLLeast Moonwort Botrychium simplex FACLeast Muhly Muhlenbergia minutissima FACLeatherleaf Chamaedaphne calyculata OBLLeathery Grape Fern Sceptridium multifidum FACLeathery Knotweed Polygonum achoreum FACULeathery Rush Juncus coriaceus OBLLedingham's False DragonheadPhysostegia ledinghamii OBLLeiberg's Rosette Grass Dichanthelium leibergii FACULemmon's Alkali Grass Puccinellia lemmonii FACWLemonbalm Melissa officinalis UPLLeoncita False Foxglove Agalinis calycina OBLLesser Black-Scale Sedge Carex atrosquama FACULesser Bladder Sedge Carex vesicaria OBLLesser Bladderwort Utricularia minor OBLLesser Burrdock Arctium minus FACULesser Canadian St. John's-WortHypericum canadense FACWLesser Clearweed Pilea fontana OBL

Lesser Creeping Rush Juncus repens OBLLesser Duckweed Lemna aequinoctialis OBLLesser Fringed-Gentian Gentianopsis virgata OBLLesser Hawkbit Leontodon saxatilis FACLesser Poverty Rush Juncus tenuis FACLesser Purple Fringed Orchid Platanthera psycodes FACWLesser Quaking Grass Briza minor FACLesser Round-Leaf Orchid Platanthera orbiculata FACLesser St. John's-Wort Hypericum tubulosum OBLLesser Tussock Sedge Carex diandra OBLLesser Yellow Water Buttercup Ranunculus gmelinii FACWLicorice Bedstraw Galium circaezans FACULicorice-Weed Scoparia dulcis FACULiddon Sedge Carex petasata UPLLilac Beardtongue Penstemon gracilis FACULimber Honeysuckle Lonicera dioica FACULimeberry Triphasia trifolia FACULimestone Adder's-Tongue Ophioglossum engelmannii FACULimestone Bittercress Cardamine douglassii FACWLimestone Bugheal Trichocoronis wrightii FACWLimestone Oak Fern Gymnocarpium robertianum FACULimestone Prickly-Ash Zanthoxylum fagara FACLimestone Quillwort Isoetes butleri OBLLimestone Spike-Rush Eleocharis occulta FACWLimestone Wild Basil Clinopodium arkansanum FACLimestone Wild Petunia Ruellia strepens FACLimestone-Meadow Sedge Carex granularis OBLLimestone-Swamp Bedstraw Galium brevipes OBLLimewater Brookweed Samolus ebracteatus FACWLimpo Grass Hemarthria altissima FACWLindheimer's Indigo Indigofera lindheimeriana FACLindheimer's Morning-Glory Ipomoea lindheimeri FACULindheimer's Muhly Muhlenbergia lindheimeri FACWLinear-Leaf Candy-Flower Montia linearis FACLinear-Leaf Wild Petunia Ruellia simplex FACLittle Aguja Pondweed Potamogeton berchtoldii OBLLittle Barley Hordeum pusillum FACULittle Duckweed Lemna obscura OBLLittle False Bluestem Schizachyrium scoparium FACULittle Floating Bladderwort Utricularia radiata OBLLittle Green Sedge Carex viridula OBLLittle Ladies'-Tresses Spiranthes tuberosa UPLLittle Red-Stem Monkey-Flower Mimulus rubellus FACWLittle Walnut Juglans microcarpa FACLittle Western Bittercress Cardamine oligosperma FACLittle Yellow-Rattle Rhinanthus minor FACULittle-Fruit Puff Neptunia microcarpa FACLittle-Head Nut-Rush Scleria oligantha FACLittle-Head Spike-Rush Eleocharis parvula OBLLittle-Hip Hawthorn Crataegus spathulata FACLittle-Hogweed Portulaca oleracea FACLittle-Leaf Candy-Flower Montia parvifolia FACWLittle-Leaf Sedge Carex luzulifolia FACWLittle-Leaf Titi Cyrilla racemiflora FACWLittle-Petal Woodbeauty Drymocallis micropetala FACLittle-Pod False Flax Camelina microcarpa UPLLittle-Tooth Sedge Carex microdonta OBLLive Oak Quercus virginiana FACULivid Sedge Carex livida OBLLizard's-Tail Saururus cernuus OBLLoblolly Pine Pinus taeda FACLodgepole Pine Pinus contorta FACULog Fern Dryopteris celsa OBLLong-Awn Cock's-Spur Grass Echinochloa walteri OBL

Long-Barb Arrowhead Sagittaria longiloba OBLLong-Beak Beak Sedge Rhynchospora scirpoides OBLLong-Beak Sedge Carex sprengelii FACULong-Beak Stork's-Bill Erodium botrys FACULong-Beak Water-Crowfoot Ranunculus longirostris OBLLong-Bract Frog Orchid Coeloglossum viride FACULong-Bract Spiderwort Tradescantia bracteata FACULong-Flower Catclaw Senegalia greggii UPLLong-Horn False Rein Orchid Habenaria quinqueseta FACWLong-Leaf Basket Grass Oplismenus hirtellus FACULong-Leaf Milkweed Asclepias longifolia FACLong-Leaf Pine Pinus palustris FACLong-Leaf Pondweed Potamogeton nodosus OBLLong-Leaf Starwort Stellaria longifolia FACWLong-Leaf Wedgescale Sphenopholis filiformis FACLong-Leaf Wood-Oats Chasmanthium sessiliflorum FACLong's Sedge Carex longii OBLLong-Spike Fluff Grass Tridens strictus FACLong-Spur Columbine Aquilegia longissima FACWLong-Stalk Clover Trifolium longipes FACWLong-Stalk Sedge Carex pedunculata OBLLong-Stalk Starwort Stellaria longipes FACWLong-Stem Adder's-Tongue Ophioglossum petiolatum FACWLong-Style Rush Juncus longistylis FACWLong-Tube Evening-Primrose Oenothera flava FACWLoose-Head Beak Sedge Rhynchospora chalarocephala OBLLopsided Rush Juncus secundus FACLoquat Eriobotrya japonica UPLLotus Sweetjuice Glinus lotoides FACWLouisiana Cup Grass Eriochloa punctata FACWLouisiana Lettuce Lactuca ludoviciana FACULouisiana Sedge Carex louisianica OBLLouisiana Vetch Vicia ludoviciana UPLLove-in-a-Puff Cardiospermum halicacabum FACLow Goosefoot Chenopodium chenopodioides FACWLow Loosestrife Lythrum ovalifolium FACWLow Milkweed Asclepias pumila UPLLow Northern Sedge Carex concinna FACULow Nut-Rush Scleria verticillata OBLLow Pine-Barren Milkwort Polygala ramosa OBLLow Spearwort Ranunculus pusillus OBLLow Spike Sedge Kyllinga pumila FACWLow Water-Milfoil Myriophyllum humile OBLLowland Bladder Fern Cystopteris protrusa FACWLowland Toothcup Rotala ramosior OBLLowland Yellow-Loosestrife Lysimachia hybrida OBLLuckynut Thevetia peruviana UPLLyall's Beardtongue Penstemon lyallii FACULyre-Leaf Sage Salvia lyrata FACMackenzie's Willow Salix prolixa FACWMacoun's Buttercup Ranunculus macounii OBLMad Dog Skullcap Scutellaria lateriflora FACWMadagascar-Periwinkle Catharanthus roseus UPLMadwort False Flax Camelina alyssum FACUMaiden Pink Dianthus deltoides UPLMaiden-Cane Panicum hemitomon OBLMaidenhair Spleenwort Asplenium trichomanes FACMaleberry Lyonia ligustrina FACWMalva-de-Caballo Malachra capitata FACUManatee-Grass Syringodium filiforme OBLManila Temple Grass Zoysia matrella FACUMan-of-the-Earth Ipomoea pandurata FACUMany-Flower Marsh-Pennywort Hydrocotyle umbellata OBLMany-Flower Stickseed Hackelia floribunda FACU

Many-Fruit Primrose-Willow Ludwigia polycarpa OBLMany-Head Rush Juncus polycephalos OBLMany-Head Sedge Carex sychnocephala FACWMany-Spike Flat Sedge Cyperus polystachyos FACWMany-Stem Springbeauty Claytonia multiscapa FACMaple-Leaf Arrow-Wood Viburnum acerifolium UPLMarginal Wood Fern Dryopteris marginalis FACUMaritime Rabbit's-Foot Grass Polypogon maritimus FACWMarsh Arrow-Grass Triglochin palustris OBLMarsh Bellflower Campanula aparinoides OBLMarsh Blue Grass Poa leptocoma OBLMarsh Bristle Grass Setaria parviflora FACMarsh Cudweed Gnaphalium uliginosum FACMarsh Fimbry Fimbristylis castanea OBLMarsh Flat Sedge Cyperus pseudovegetus FACWMarsh Grass-of-Parnassus Parnassia palustris OBLMarsh Horsetail Equisetum palustre FACWMarsh Ladies'-Tresses Spiranthes odorata OBLMarsh Lousewort Pedicularis fluviatilis FACUMarsh Meadow-Foxtail Alopecurus geniculatus OBLMarsh Mermaidweed Proserpinaca palustris OBLMarsh Phlox Phlox kelseyi FACMarsh Primrose-Willow Ludwigia palustris OBLMarsh Valerian Valeriana dioica FACWMarsh Vetchling Lathyrus palustris FACWMarsh Willowherb Epilobium palustre OBLMarsh-Aster Almutaster pauciflorus FACWMarsh-Felwort Lomatogonium rotatum OBLMarsh-Meadow Indian-Paintbrush Castillejalineata FACWMarsh-Millet Zizaniopsis miliacea OBLMarsh-Parsley Cyclospermum leptophyllum FACMarvel-of-Peru Mirabilis jalapa UPLMaryland Black-Snakeroot Sanicula marilandica FACUMaryland Golden-Aster Chrysopsis mariana FACUMaryland Meadow-Beauty Rhexia mariana FACWMaryland Milkwort Polygala mariana FACWMaryland Wild Sensitive-Plant Senna marilandica FACMat Amaranth Amaranthus blitoides FACMatted Fiddleleaf Nama torynophyllum FACWMatted Muhly Muhlenbergia richardsonis FACMatted Sandmat Euphorbia serpens FACUMatted Saxifrage Saxifraga austromontana FACUMatted Water-Starwort Callitriche peploides OBLMaximilian Sunflower Helianthus maximiliani FACUMay Grass Phalaris caroliniana FACWMay-Apple Podophyllum peltatum FACUMaystar Trientalis borealis FACMazapan Malvaviscus penduliflorus FACMccalla's Willow Salix maccalliana OBLMeadow Barley Hordeum brachyantherum FACMeadow Beardtongue Penstemon rydbergii FACMeadow False Rye Grass Schedonorus pratensis FACUMeadow Garlic Allium canadense FACUMeadow Horsetail Equisetum pratense FACWMeadow Love Grass Eragrostis refracta FACWMeadow Poison Camas Toxicoscordion venenosum FACMeadow Spike-Moss Selaginella apoda FACWMeadow Thistle Cirsium scariosum FACMeadow Willow Salix petiolaris OBLMead's Sedge Carex meadii FACMealy False Acacia Vachellia farnesiana FACUMertens' Rush Juncus mertensianus OBLMertens' Sedge Carex mertensii FAC

Mesa Dropseed Sporobolus flexuosus FACMexican Ash Fraxinus berlandieriana FACMexican Bedstraw Galium mexicanum FACMexican Buttonbush Cephalanthus salicifolius OBLMexican Dock Rumex mexicanus FACMexican Goatweed Capraria mexicana FACMexican Ground-Cherry Physalis philadelphica UPLMexican Love Grass Eragrostis mexicana FACUMexican Mosquito Fern Azolla microphylla OBLMexican Mud-Plantain Heteranthera mexicana OBLMexican Muhly Muhlenbergia mexicana FACWMexican Palo-Verde Parkinsonia aculeata FACMexican Primrose-Willow Ludwigia octovalvis OBLMexican Rush Juncus mexicanus FACWMexican Starwort Stellaria cuspidata FACMexican-Devilweed Chloracantha spinosa FACWMexican-Fireplant Euphorbia heterophylla FACUMexican-Fireweed Bassia scoparia FACUMexican-Tea Dysphania ambrosioides FACMichigan Lily Lilium michiganense FACWMild Water-Pepper Persicaria hydropiper OBLMile-a-Minute-Vine Ipomoea cairica FACUMillet Beak Sedge Rhynchospora miliacea OBLMiner's Pepperwort Lepidium densiflorum FACMiner's-Lettuce Claytonia perfoliata FACWMingled Beak Sedge Rhynchospora mixta OBLMiniature Monkey-Flower Mimulus suksdorfii FACWMinute Duckweed Lemna perpusilla OBLMiramar-Weed Hygrophila polysperma OBLMission Grass Cenchrus polystachios FACUMississippi Buttercup Ranunculus laxicaulis OBLMissouri Ironweed Vernonia missurica FACWMissouri Orange Coneflower Rudbeckia missouriensis UPLMissouri Violet Viola missouriensis FACWMissouri Willow Salix eriocephala FACWModoc Yellowcress Rorippa tenerrima FACMohr's Thoroughwort Eupatorium mohrii FACMonkeypod Pithecellobium dulce UPLMontana Sedge Carex media FACWMoor Rush Juncus stygius OBLMorrow's Honeysuckle Lonicera morrowii UPLMosquito Bulrush Scirpus hattorianus OBLMoss Gentian Gentiana fremontii OBLMother-of-the-Evening Hesperis matronalis FACUMountain American-Aster Symphyotrichum spathulatum FACMountain Azalea Rhododendron canescens FACWMountain False Deathcamas Anticlea elegans FACWMountain Fly-Honeysuckle Lonicera villosa FACWMountain Hare Sedge Carex phaeocephala FACUMountain Maple Acer spicatum FACUMountain Muhly Muhlenbergia montana FACUMountain Ninebark Physocarpus monogynus FACUMountain Pseudosaxifrage Micranthes occidentalis FACMountain Spike-Rush Eleocharis montana OBLMountain Sweet-Cicely Osmorhiza berteroi FACUMountain Tansy-Mustard Descurainia incana UPLMountain Tarplant Madia glomerata FACUMountain Timothy Phleum alpinum FACMountain-Marsh Ragwort Senecio sphaerocephalus FACMountain-Meadow Cinquefoil Potentilla glaucophylla FACWMountain-Sorrel Oxyria digyna FACMourning Love Grass Eragrostis lugens FACUMouse's-Ear Stachys crenata FACMrs. Austin's Knotweed Polygonum austiniae FACU

Mt. Albert Goldenrod Solidago simplex FACUMt. Graham Spurred-Gentian Halenia rothrockii FACMuck Sunflower Helianthus simulans FACWMud Fiddleleaf Nama stenocarpum FACWMud Sedge Carex limosa OBLMudbank Crown Grass Paspalum dissectum OBLMuehlenberg's Nut-Rush Scleria muehlenbergii OBLMule's-Fat Baccharis salicifolia FACWMullein-Foxglove Dasistoma macrophylla FACMuscadine Vitis rotundifolia FACMuskflower Mimulus moschatus OBLMuskroot Adoxa moschatellina FACNaked Broom-Rape Orobanche uniflora UPLNaked-Stem Alkali-Weed Cressa nudicaulis OBLNaked-Stem Dewflower Murdannia nudiflora FACWNanny-Berry Viburnum lentago FACUNarcissus-Flower Thimbleweed Anemone narcissiflora FACNard Sedge Carex nardina FACUNarrow Beech Fern Phegopteris connectilis FACUNarrow False Oat Trisetum spicatum FACUNarrow Plume Grass Saccharum baldwinii FACWNarrow-Cell Cornsalad Valerianella stenocarpa FACWNarrow-Flower Blue Grass Poa stenantha FACNarrow-Fruit Horned Beak SedgeRhynchospora inundata OBLNarrow-Leaf Bird's-Foot-Trefoil Lotus tenuis FACUNarrow-Leaf Blue-Eyed-Grass Sisyrinchium angustifolium FACWNarrow-Leaf Burr-Reed Sparganium angustifolium OBLNarrow-Leaf Carpet Grass Axonopus fissifolius FACNarrow-Leaf Cat-Tail Typha angustifolia OBLNarrow-Leaf Cottonwood Populus angustifolia FACWNarrow-Leaf Dock Rumex stenophyllus FACWNarrow-Leaf Evening-Primrose Oenothera fruticosa FACNarrow-Leaf False Dragonhead Physostegia angustifolia FACWNarrow-Leaf Fireweed Chamaenerion angustifolium FACNarrow-Leaf Goosefoot Chenopodium leptophyllum FACUNarrow-Leaf Ironweed Vernonia lettermannii OBLNarrow-Leaf Mountain-Mint Pycnanthemum tenuifolium FACNarrow-Leaf Mountain-Trumpet Collomia linearis FACUNarrow-Leaf Paleseed Leucospora multifida FACWNarrow-Leaf Primrose-Willow Ludwigia linearis OBLNarrow-Leaf Silk-Grass Pityopsis graminifolia FACUNarrow-Leaf Water-Plantain Alisma gramineum OBLNarrow-Leaf Whitetop Rhynchospora colorata FACWNarrow-Leaf Willow Salix exigua FACWNarrow-Panicle Rush Juncus brevicaudatus OBLNarrow-Wing Water-Starwort Callitriche stenoptera OBLNative Sedge Carex vernacula FACNealley's Viper Grass Dinebra nealleyi FACWNebraska Sedge Carex nebrascensis OBLNeches River Rose-Mallow Hibiscus dasycalyx OBLNecklace Sedge Carex projecta FACWNeckweed Veronica peregrina FACWNeedle Beak Sedge Rhynchospora capillacea OBLNeedle Spike-Rush Eleocharis acicularis OBLNeedle Viper Grass Dinebra panicea FACWNeedle-Leaf Burrobush Ambrosia monogyra FACUNeedle-Leaf Pincushion-Plant Navarretia intertexta FACWNeedle-Leaf Rosette Grass Dichanthelium aciculare FACUNeedle-Pod Rush Juncus scirpoides FACWNeedle-Tip Blue-Eyed-Grass Sisyrinchium mucronatum FACNelson's Rice Grass Achnatherum nelsonii UPLNelson's Sedge Carex nelsonii FACNerveless Woodland Sedge Carex leptonervia FAC

Nested Goldeneggs Taraxia breviflora FACUNet-Leaf Hackberry Celtis reticulata UPLNetted Chain Fern Woodwardia areolata OBLNetted Nut-Rush Scleria reticularis FACWNettle-Leaf Goosefoot Chenopodium murale FACUNevada Bulrush Scirpus nevadensis OBLNevada Vetchling Lathyrus lanszwertii FACUNew England American-Aster Symphyotrichum novae-angliae FACWNew England Blue Violet Viola novae-angliae FACNew Mexico Bare-Ray-Aster Psilactis asteroides FACWNew Mexico Vervain Verbena macdougalii FACNew Sedge Carex nova FACWNew York Ironweed Vernonia noveboracensis FACNight Flowering-Jassamine Cestrum nocturnum UPLNightcaps Anemone quinquefolia FACNimblewill Muhlenbergia schreberi FACUNipple-Bract Arrowhead Sagittaria papillosa OBLNits-and-Lice Hypericum drummondii FACUNodding Beak Sedge Rhynchospora inexpansa FACWNodding Beardtongue Penstemon laxiflorus FACNodding Blue Grass Poa reflexa OBLNodding Burr-Marigold Bidens cernua OBLNodding Dwarf-Sunflower Helianthella quinquenervis FACWNodding Fescue Festuca subverticillata FACUNodding Mouse-Ear ChickweedCerastium nutans FACNodding Onion Allium cernuum UPLNodding Plumeless-Thistle Carduus nutans FACUNodding Saxifrage Saxifraga cernua FACUNodding Trillium Trillium flexipes FACUNodding Wild Rye Elymus canadensis FACUNootka Rose Rosa nutkana FACUNortheastern Moonwort Botrychium pinnatum UPLNortheastern Sedge Carex cryptolepis OBLNorthern Adder's-Tongue Ophioglossum pusillum FACWNorthern Bedstraw Galium boreale FACUNorthern Bent Agrostis mertensii FACUNorthern Black Currant Ribes hudsonianum OBLNorthern Blackberry Rubus arcticus FACWNorthern Blue Grass Poa abbreviata FACNorthern Blue-Eyed-Grass Sisyrinchium septentrionale FACNorthern Bluethread Burmannia biflora OBLNorthern Bog Bedstraw Galium labradoricum OBLNorthern Bog Sedge Carex gynocrates OBLNorthern Bog Starwort Stellaria calycantha FACWNorthern Bog Violet Viola nephrophylla FACWNorthern Bracken Fern Pteridium aquilinum FACUNorthern Buttercup Ranunculus arcticus OBLNorthern Catalpa Catalpa speciosa FACUNorthern Evening-Primrose Oenothera parviflora FACUNorthern Frogfruit Phyla lanceolata FACWNorthern Green Rush Juncus alpinoarticulatus OBLNorthern Holly Fern Polystichum lonchitis FACUNorthern Lady Fern Athyrium angustum FACNorthern Maidenhair Adiantum pedatum FACNorthern Meadow Sedge Carex praticola FACNorthern Mountain-Ash Sorbus decora FACNorthern Mountain-Cranberry Vaccinium vitis-idaea FACNorthern Oak Fern Gymnocarpium dryopteris FACUNorthern Red Oak Quercus rubra FACUNorthern Rosette Grass Dichanthelium boreale FACUNorthern Slender Ladies'-TressesSpiranthes lacera FACNorthern Spicebush Lindera benzoin FACW

Northern Stinkweed Cleomella angustifolia FACNorthern Sweet Vernal Grass Anthoxanthum hirtum FACWNorthern Water-Horehound Lycopus uniflorus OBLNorthern Watermeal Wolffia borealis OBLNorthern Water-Plantain Alisma triviale OBLNorthern White Oak Quercus alba FACUNorthern White Rush Juncus albescens OBLNorthern Wild Rice Zizania palustris OBLNorthern Yellow-Eyed-Grass Xyris montana OBLNorthwest Territory Sedge Carex utriculata OBLNorthwestern Showy Sedge Carex spectabilis FACWNorthwestern Twayblade Neottia banksiana FACUNorway Maple Acer platanoides UPLNorwegian Cinquefoil Potentilla norvegica FACNoyau-Vine Merremia dissecta FACNutmeg Hickory Carya myristiciformis FACWNuttall's Alkali Grass Puccinellia nuttalliana OBLNuttall's Perennial Gily-Flower Leptosiphon nuttallii FACNuttall's Poverty-Weed Monolepis nuttalliana FACNuttall's Rayless-Goldenrod Bigelowia nuttallii FACUNuttall's Sunflower Helianthus nuttallii FACWNuttall's Thistle Cirsium nuttallii FACNuttall's Water-Starwort Callitriche pedunculosa FACWOak-Leaf Goosefoot Chenopodium glaucum FACOakwoods Pony's-Foot Dichondra recurvata FACOat Avena sativa FACUObedient-Plant Physostegia virginiana FACWOcean-Blue Morning-Glory Ipomoea indica FACOctober Ladies'-Tresses Spiranthes ovalis FACOhio Buckeye Aesculus glabra FACOklahoma Blackberry Rubus oklahomus FACOklahoma Sedge Carex oklahomensis FACWOldfield Blackberry Rubus alumnus FACOldfield Cinquefoil Potentilla simplex UPLOld-Man-in-the-Spring Senecio vulgaris FACUOld-Man's-Whiskers Geum triflorum FACUOne-Flower Bedstraw Galium uniflorum FACUOne-Flower False Fiddleleaf Hydrolea uniflora OBLOne-Flower Indian-Pipe Monotropa uniflora UPLOne-Row Watercress Nasturtium microphyllum OBLOne-Seed Burr-Cucumber Sicyos angulatus FACWOntario American-Aster Symphyotrichum ontarionis FACOpen-Field Sedge Carex conoidea FACOpen-Flower Rosette Grass Dichanthelium laxiflorum FACOpposite-Leaf Spotflower Acmella repens FACWOrange Coneflower Rudbeckia fulgida FACOrange Day-Lily Hemerocallis fulva FACUOrange-Grass Hypericum gentianoides FACUOrchard Grass Dactylis glomerata FACUOregon Boxleaf Paxistima myrsinites FACUOregon Willowherb Epilobium oregonense FACWOriental False Hawk's-Beard Youngia japonica FACUOsage-Orange Maclura pomifera FACUOsceola's-Plume Stenanthium densum FACWOstrich Fern Matteuccia struthiopteris FACWOswego-Tea Monarda fistulosa UPLOval-Leaf Sedge Carex cephalophora FACUOvate False Fiddleleaf Hydrolea ovata OBLOvate Marsh Fern Thelypteris ovata FACWOvercup Oak Quercus lyrata OBLOwl's-Claws Hymenoxys hoopesii FACOwyhee Mudwort Limosella acaulis OBLOx-Eye Daisy Leucanthemum vulgare UPLOzark Sedge Carex ozarkana OBL

Ozark Witch-Hazel Hamamelis vernalis FACPacific Bog Sedge Kobresia myosuroides FACPacific Mitrewort Ozomelis trifida FACPacific Willow Salix lasiandra FACWPacific Wood-Rush Luzula comosa FACPacific Wormwood Artemisia campestris UPLPacific Yew Taxus brevifolia FACUPacific-Coast Eared Rockcress Arabis eschscholtziana FACUPai'i'iho Christella dentata FACPaiuteweed Suaeda calceoliformis FACWPalay Rubbervine Cryptostegia grandiflora FACUPale Beardtongue Penstemon pallidus FACUPale Bulrush Scirpus pallidus OBLPale Dock Rumex altissimus FACPale Dogwood Cornus obliqua FACWPale Duckweed Lemna valdiviana OBLPale False Manna Grass Torreyochloa pallida OBLPale Goat-Chicory Agoseris glauca FACUPale Great Club-Rush Schoenoplectus heterochaetus OBLPale Lobelia Lobelia appendiculata FACPale Touch-Me-Not Impatiens pallida FACWPale-Green Orchid Platanthera flava FACWPale-Leaf Woodland Sunflower Helianthus strumosus FACUPale-Seed Plantain Plantago virginica FACUPale-Spike Lobelia Lobelia spicata FACPale-Yellow Indian-Paintbrush Castilleja occidentalis FACPale-Yellow Iris Iris pseudacorus OBLPale-Yellow Touch-Me-Not Impatiens aurella FACWPalmer's Pseudosaxifrage Micranthes palmeri FACPan-American Balsamscale Elionurus tripsacoides FACUPangola Grass Digitaria eriantha FACUPanic Liverseed Grass Urochloa panicoides FACUPanicled Indigo-Bush Amorpha paniculata FACWPanicled-Leaf Tick-Trefoil Desmodium paniculatum UPLPaper Birch Betula papyrifera FACUPaper-Mulberry Broussonetia papyrifera UPLPara Liverseed Grass Urochloa mutica FACWParasol White-Top Doellingeria umbellata OBLParish's Flat Sedge Cyperus parishii FACWParish's Spike-Rush Eleocharis parishii FACWParish's Yampah Perideridia parishii FACPark Milk-Vetch Astragalus leptaleus OBLPark Willow Salix monticola OBLParrot's-Feather Myriophyllum aquaticum OBLParry's Bellflower Campanula parryi FACParry's Clover Trifolium parryi FACParry's Gentian Gentiana parryi FACWParry's Locoweed Oxytropis parryi FACUParry's Lousewort Pedicularis parryi FACParry's Sedge Carex parryana FACWParry's Thistle Cirsium parryi FACWParsley Hawthorn Crataegus marshallii FACWPartridge-Berry Mitchella repens FACPartridge-Pea Chamaecrista nictitans FACUPayson's Sedge Carex paysonis FACUPeach-Leaf Willow Salix amygdaloides FACWPeak Pseudosaxifrage Micranthes nidifica FACPearl Yarrow Achillea ptarmica FACUPearl-Millet Cenchrus americanus FACUPearly-Everlasting Anaphalis margaritacea FACUPeatree Sesbania herbacea FACWPecan Carya illinoinensis FACPeel-Bark St. John's-Wort Hypericum fasciculatum FACWPendant-Pod Locoweed Oxytropis deflexa FACU

Pennsylvania Blackberry Rubus pensilvanicus FACPennsylvania Buttercup Ranunculus pensylvanicus FACWPennsylvania Cinquefoil Potentilla pensylvanica FACUPennsylvania Everlasting Gamochaeta pensylvanica UPLPennsylvania Pellitory Parietaria pensylvanica FACPeppervine Ampelopsis arborea FACPerennial Fringed-Gentian Gentianopsis barbellata FACPerennial Quaking Grass Briza media FACPerennial Ragweed Ambrosia psilostachya FACUPerennial Rye Grass Lolium perenne FACUPersistent-Sepal Yellowcress Rorippa calycina OBLPeruvian Crown Grass Paspalum racemosum FACPeruvian Peppertree Schinus molle FACUPeruvian Primrose-Willow Ludwigia peruviana OBLPetiteplant Lepuropetalon spathulatum FACWPetticoat-Climber Eragrostis spectabilis UPLPhiladelphia Fleabane Erigeron philadelphicus FACPhiladelphia Panic Grass Panicum philadelphicum FACPickerelweed Pontederia cordata OBLPickering's Dawnflower Stylisma pickeringii FACPiedmont Quillwort Isoetes piedmontana OBLPiedmont Staggerbush Lyonia mariana FACPignut Hickory Carya glabra FACUPill-Pod Sandmat Euphorbia hirta UPLPimpernel Willowherb Epilobium anagallidifolium FACPin Oak Quercus palustris FACPincushion Beardtongue Penstemon procerus UPLPineapple-Weed Matricaria discoidea FACUPine-Barren Featherbells Stenanthium leimanthoides FACWPine-Barren Flat Sedge Cyperus retrorsus FACPine-Barren Fluff Grass Tridens ambiguus FACPineland Beak Sedge Rhynchospora perplexa OBLPineland Sword Fern Polystichum munitum FACUPinewoods Clover Trifolium pinetorum FACWPinewoods Finger Grass Eustachys petraea FACUPinewoods Rose-Gentian Sabatia gentianoides FACWPink Alumroot Heuchera rubescens FACUPink Fuzzy-Bean Strophostyles umbellata FACUPink Knotweed Persicaria bicornis FACWPink Lady's-Slipper Cypripedium acaule FACWPink Mountain-Heath Phyllodoce empetriformis FACUPink Redstem Ammannia latifolia OBLPink Slender-Thoroughwort Fleischmannia incarnata FACPink Sundew Drosera capillaris OBLPink Wintergreen Pyrola asarifolia FACUPinked Mistflower Conoclinium dissectum FACWPinkqueen Tarenaya hassleriana FACPinkweed Persicaria pensylvanica FACWPitcher's Stitchwort Minuartia patula FACPitchfork Crown Grass Paspalum bifidum FACPlains Flat Sedge Cyperus onerosus FACWPlains Ironweed Vernonia marginata FACPlanertree Planera aquatica OBLPlantain Goldenweed Pyrrocoma uniflora FACPlantain Liverseed Grass Urochloa plantaginea FACUPlateau Spiderwort Tradescantia edwardsiana FACPlatte River Cinquefoil Potentilla plattensis FACWPlaya Beeplant Peritoma multicaulis FACWPleated Gentian Gentiana affinis FACUPlowman's-Wort Pluchea camphorata FACWPlumed Beak Sedge Rhynchospora plumosa FACWPointed Broom Sedge Carex scoparia FACWPoiret's Copperleaf Acalypha poiretii FACUPoison Suckleya Suckleya suckleyana FACW

Poison-Bean Sesbania drummondii FACWPoison-Hemlock Conium maculatum FACWPoke Milkweed Asclepias exaltata FACPond Flat Sedge Cyperus ochraceus FACWPond Water-Starwort Callitriche stagnalis OBLPonderosa Muhly Muhlenbergia ramulosa FACUPonderosa Pine Pinus ponderosa UPLPoorjoe Diodia teres FACUPoorland Flat Sedge Cyperus compressus FACWPoorman's-Pepperwort Lepidium virginicum FACUPorcupine Sedge Carex hystericina OBLPort Orford-Cedar Chamaecyparis lawsoniana FACUPorter's Wild Lovage Ligusticum porteri FACPossumhaw Viburnum nudum FACWPost Oak Quercus stellata FACUPotato Dwarf-Dandelion Krigia dandelion FACUPotato-Tree Solanum erianthum FACPowderpuff Mimosa strigillosa FACPowdery Alligator-Flag Thalia dealbata OBLPrairie Blue Grass Poa arida FACPrairie Bundle-Flower Desmanthus illinoensis FACUPrairie Buttercup Ranunculus platensis FACPrairie Cup Grass Eriochloa contracta FACPrairie Dogshade Limnosciadium pumilum FACWPrairie Dropseed Sporobolus heterolepis UPLPrairie False Foxglove Agalinis heterophylla FACPrairie Fleabane Erigeron strigosus FACUPrairie Golden-Banner Thermopsis rhombifolia UPLPrairie Groundsel Packera plattensis FACUPrairie Ironweed Vernonia fasciculata FACPrairie Milkweed Asclepias sullivantii FACPrairie Panic Grass Panicum brachyanthum FACUPrairie Plantain Plantago elongata FACWPrairie Rose Rosa arkansana FACUPrairie Sedge Carex prairea OBLPrairie Spiderwort Tradescantia occidentalis UPLPrairie Straw Sedge Carex suberecta OBLPrairie Wedgescale Sphenopholis obtusata FACPrairie White Fringed Orchid Platanthera leucophaea OBLPrairie Willow Salix humilis FACUPrairie Wood-Aster Eurybia hemispherica FACPrairiedawn Hymenoxys texana FACWPresl's Sedge Carex preslii FACUPrickley Tree-Club-Moss Dendrolycopodium dendroideum

FACPrickly Bog Sedge Carex atlantica OBLPrickly Fanpetals Sida spinosa UPLPrickly Lettuce Lactuca serriola FACPrickly Rose Rosa acicularis FACUPrickly Russian-Thistle Salsola tragus FACUPride-of-Ohio Dodecatheon meadia FACPrimroseleaf Violet Viola primulifolia FACPrincess-Pine Dendrolycopodium obscurum FACUPrincesstree Paulownia tomentosa UPLProcession-Flower Polygala incarnata FACProliferous Marsh-Pennywort Hydrocotyle prolifera OBLPropeller-Flower Alophia drummondii FACUProstrate Blue Violet Viola walteri UPLProstrate Milkweed Asclepias prostrata FACProstrate Sandmat Euphorbia prostrata UPLPrune-Fruit Sedge Carex corrugata FACWPuffballs Marshallia caespitosa FACPull-and-Be-Damned Paspalum denticulatum OBLPullup Muhly Muhlenbergia filiformis FACW

Purple Amaranth Amaranthus blitum FACUPurple Avens Geum rivale FACWPurple Bush-Bean Macroptilium atropurpureum FACUPurple Cluster Crane's-Bill Geranium caespitosum FACPurple False Foxglove Agalinis purpurea FACWPurple Five-Leaf Orchid Isotria verticillata FACPurple Flat Sedge Cyperus rotundus FACPurple Foxglove Digitalis purpurea UPLPurple Loosestrife Lythrum salicaria OBLPurple Love Grass Eragrostis pectinacea FACPurple Marshlocks Comarum palustre OBLPurple Meadow-Rue Thalictrum dasycarpum FACPurple Milkweed Asclepias purpurascens FACUPurple Milkwort Polygala sanguinea FACWPurple Mountain Saxifrage Saxifraga oppositifolia FACPurple Pitcherplant Sarracenia purpurea OBLPurple Rattlesnake-Root Nabalus racemosus FACUPurple River-Hemp Sesbania punicea FACWPurple Silkyscale Anthenantia rufa FACUPurple Spike-Rush Eleocharis atropurpurea FACWPurple Sweet-Cicely Osmorhiza purpurea FACPurple Willow Salix purpurea OBLPurple-Flower Lousewort Pedicularis crenulata FACWPurple-Head Sneezeweed Helenium flexuosum FACWPurple-Leaf Willowherb Epilobium coloratum OBLPurple-Rocket Iodanthus pinnatifidus FACWPurple-Stem American-Aster Symphyotrichum puniceum OBLPurple-Stem Monkey-Flower Mimulus floribundus OBLPurple-Top Vervain Verbena bonariensis FACWPussy Willow Salix discolor FACWPygmy Bluet Houstonia wrightii FACUPygmy-Flower Rock-Jasmine Androsace septentrionalis FACUPygmy-Flower Vetch Vicia minutiflora UPLPyramid-Flower Melochia pyramidata FACPyrenean Sedge Carex micropoda FACUQuaker Bittercress Cardamine pensylvanica FACWQuaker-Ladies Houstonia caerulea FACUQuaking Aspen Populus tremuloides FACQuarterman's Hedge-Hyssop Gratiola quartermaniae FACQueen Anne's-Lace Daucus carota UPLQueendevil Hieracium gronovii FACUQueen-of-the-Meadow Filipendula ulmaria FACQueen's-Crown Rhodiola rhodantha FACQueen's-Jewels Antigonon leptopus FACQuill Sedge Carex tenera FACWQuinineweed Zeltnera beyrichii FACURacemed Milkwort Polygala polygama FACURambler Rose Rosa multiflora UPLRam-Head Lady's-Slipper Cypripedium arietinum FACWRamp Allium tricoccum FACURam's-Horn Proboscidea louisiana FACURanenna Grass Saccharum ravennae UPLRannoch-Rush Scheuchzeria palustris OBLRape Brassica rapa UPLRat-Tail Six-Weeks Grass Vulpia myuros FACRattlesnake Brome Bromus briziformis UPLRattlesnake Fern Botrypus virginianus FACURattlesnake Manna Grass Glyceria canadensis OBLRattleweed Crotalaria retusa UPLRavenel's Rosette Grass Dichanthelium ravenelii FACRaven-Foot Sedge Carex crus-corvi OBLRayless Alpine Groundsel Packera pauciflora FACRayless Mountain Groundsel Packera indecora FACWRaynolds' Sedge Carex raynoldsii FACU

Red Baneberry Actaea rubra FACURed Bay Persea borbonia FACWRed Bearberry Arctostaphylos uva-ursi UPLRed Bladder-Vetch Sphaerophysa salsula FACURed Buckeye Aesculus pavia FACRed Chokeberry Aronia arbutifolia FACWRed Clover Trifolium pratense FACURed Columbine Aquilegia canadensis FACRed Elder Sambucus racemosa FACURed Fescue Festuca rubra FACRed Goosefoot Chenopodium rubrum OBLRed Hickory Carya ovalis FACURed Love Grass Eragrostis secundiflora FACURed Mangrove Rhizophora mangle OBLRed Maple Acer rubrum FACRed Milkweed Asclepias rubra OBLRed Mulberry Morus rubra FACURed Osier Cornus alba FACWRed Pine Pinus resinosa FACURed Saltwort Salicornia rubra OBLRed Three-Awn Aristida longespica FACURed Turtlehead Chelone obliqua OBLRed-Berry Nightshade Solanum campechiense FACURedbud Cercis canadensis UPLRed-Center Morning-Glory Ipomoea amnicola FACWReddish Pondweed Potamogeton alpinus OBLRed-Head Pondweed Potamogeton richardsonii OBLRed-Pod Rush Juncus trigonocarpus OBLRed-Ring Milkweed Asclepias variegata FACURed-Root Amaranthus retroflexus FACURed-Root Flat Sedge Cyperus erythrorhizos OBLRed-Seed Plantain Plantago rhodosperma FACURedstar Ipomoea coccinea FACRed-Stem Pseudosaxifrage Micranthes lyallii OBLRed-Stem Waterwort Elatine rubella OBLRed-Tinge Bulrush Scirpus microcarpus OBLRed-Top Cut-Throat Grass Coleataenia rigidula FACWRed-Whisker Clammyweed Polanisia dodecandra FACURed-Woolly Plantain Plantago eriopoda FACReed Canary Grass Phalaris arundinacea FACWReflexed Sedge Carex retroflexa FACURefugio Zephyr-Lily Zephyranthes refugiensis FACWResin Birch Betula glandulosa OBLResurrection Fern Pleopeltis polypodioides FACURetrorse Sedge Carex retrorsa OBLReverchon's Spike-Rush Eleocharis reverchonii OBLReversed Clover Trifolium resupinatum FACURhodes Grass Chloris gayana FACURibbed Mock Bishopweed Ptilimnium costatum OBLRibbon-Leaf Pondweed Potamogeton epihydrus OBLRice Button American-Aster Symphyotrichum dumosum FACRice Cut Grass Leersia oryzoides OBLRicefield Flat Sedge Cyperus iria FACWRichard's Yellow-Eyed-Grass Xyris jupicai OBLRichardson's Alumroot Heuchera richardsonii FACURichardson's Brome Bromus richardsonii FACURichardson's Rice Grass Achnatherum richardsonii FACURichardson's Sedge Carex richardsonii FACRiddell's Goldenrod Solidago riddellii OBLRidged Yellow Flax Linum striatum FACWRigid Sedge Carex tetanica FACWRillita Pellitory Parietaria hespera FACURimrock Ladies'-Braids Funkiella confusa FACRing-Seed Rush Juncus filipendulus FAC

Rio Grande Copper-Lily Habranthus tubispathus FACWRio Grande Shinner's Aster Shinnersia rivularis OBLRio Grande Spike-Rush Eleocharis ravenelii OBLRio Grande Vervain Verbena runyonii FACWRiver Birch Betula nigra FACWRiver Broom-Rape Orobanche riparia FACWRiver Club-Rush Schoenoplectus fluviatilis OBLRiver Hawthorn Crataegus rivularis FACWRiver-Bank Grape Vitis riparia FACRiver-Bank Wild Rye Elymus riparius FACRiver-Flat Hawthorn Crataegus opaca OBLRiver-Swamp Nut-Rush Scleria distans OBLRobbins' Milk-Vetch Astragalus robbinsii FACRobin's-Plantain Erigeron pulchellus FACURobyns' American-Aster Symphyotrichum robynsianum FACWRock Buttercup Ranunculus micranthus FACURock Elm Ulmus thomasii FACURock Grape Vitis rupestris FACURock Quillwort Isoetes lithophila OBLRocky Mountain Beeplant Peritoma serrulata FACURocky Mountain Buttercup Ranunculus macauleyi FACWRocky Mountain Checkerbloom Sidalcea neomexicana FACWRocky Mountain Cinquefoil Potentilla rubricaulis FACURocky Mountain Club-Rush Schoenoplectus saximontanus OBLRocky Mountain Fringed-GentianGentianopsis thermalis OBLRocky Mountain Goldenrod Solidago multiradiata FACURocky Mountain Groundsel Packera streptanthifolia UPLRocky Mountain Hemlock-ParsleyConioselinum scopulorum FACWRocky Mountain Honeysuckle Lonicera utahensis FACURocky Mountain Iris Iris missouriensis FACWRocky Mountain Larkspur Delphinium scopulorum FACRocky Mountain Lousewort Pedicularis scopulorum FACWRocky Mountain Maple Acer glabrum FACRocky Mountain Pincushion-PlantNavarretia saximontana FACWRocky Mountain Rush Juncus saximontanus FACWRocky Mountain Snowlover Chionophila jamesii FACURocky Mountain Starwort Stellaria obtusa FACWRocky Mountain Willowherb Epilobium saximontanum FACWRoemer's Indigo-Bush Amorpha roemeriana FACURoemer's Rush Juncus roemerianus OBLRolland's Leafless-Bulrush Trichophorum pumilum OBLRoosevelt-Weed Baccharis neglecta FACRooted Spike-Rush Eleocharis radicans OBLRope-Root Sedge Carex chordorrhiza OBLRose Evening-Primrose Oenothera rosea FACWRose-Moss Portulaca grandiflora UPLRose-Pink Sabatia angularis FACRosinbush Baccharis sarothroides FACRoss' Avens Geum rossii FACURosy Camphorweed Pluchea baccharis FACWRosy Indian-Paintbrush Castilleja rhexiifolia FACRosy Sedge Carex rosea FACURougeplant Rivina humilis FACRough Avens Geum laciniatum FACWRough Barnyard Grass Echinochloa muricata FACWRough Bedstraw Galium asprellum OBLRough Bent Agrostis scabra FACRough Bristle Grass Setaria verticillata FACRough Cockleburr Xanthium strumarium FACRough Flat Sedge Cyperus retrofractus UPLRough Forget-Me-Not Myosotis arvensis FAC

Rough Rosette Grass Dichanthelium leucothrix FACWRough Water-Horehound Lycopus asper OBLRough White Prairie American-AsterSymphyotrichum falcatum FACURough-Fruit Amaranth Amaranthus tuberculatus FACRough-Fruit Fairybells Prosartes trachycarpa UPLRough-Fruit Scaleseed Spermolepis divaricata FACWRough-Hair Rosette Grass Dichanthelium strigosum FACWRough-Hairy Waterfall Fern Christella hispidula FACRough-Leaf Dogwood Cornus drummondii FACRough-Stalk Blue Grass Poa trivialis FACWRound-Fruit Hedge-Hyssop Gratiola virginiana OBLRound-Fruit Rush Juncus compressus FACWRound-Fruit Yellowcress Rorippa sphaerocarpa OBLRound-Head Bush-Clover Lespedeza capitata UPLRound-Head Rush Juncus validus FACWRound-Leaf Goldenrod Solidago patula OBLRound-Leaf Groundsel Packera obovata FACURound-Leaf Monkey-Flower Mimulus glabratus OBLRound-Leaf Sundew Drosera rotundifolia OBLRound-Leaf Thimbleweed Anemone canadensis FACWRound-Leaf Thoroughwort Eupatorium rotundifolium FACRound-Pod St. John's-Wort Hypericum cistifolium FACWRound-Seed Rosette Grass Dichanthelium sphaerocarpon FACURound-Seed St. John's-Wort Hypericum sphaerocarpum FACURoyal Fern Osmunda spectabilis OBLRoyal Flat Sedge Cyperus elegans FACWRuby Sandspurry Spergularia rubra FACURue-Anemone Thalictrum thalictroides FACRuffled Starwort Stellaria crispa FACWRufous Bulrush Scirpus pendulus OBLRunning Service-Berry Amelanchier spicata FACURusby's Primrose Primula rusbyi FACRush Hair Sedge Bulbostylis juncoides FACWRusset Buffalo-Berry Shepherdia canadensis FACURusset Sedge Carex saxatilis OBLRusset-Bristle Cotton-Grass Eriophorum russeolum OBLRusset-Hair Pseudosaxifrage Micranthes ferruginea OBLRussian Blue Lettuce Lactuca tatarica UPLRussian-Olive Elaeagnus angustifolia FACURussian-Thistle Salsola kali FACURussian-Wild Rye Psathyrostachys juncea FACURusty Blackhaw Viburnum rufidulum FACURusty Flat Sedge Cyperus odoratus FACWRusty Labrador-Tea Rhododendron groenlandicum FACWRusty Sedge Carex subfusca FACUSaber Bogmat Wolffiella oblonga OBLSacatrapo Caperonia palustris FACWSacramento Mountain Thistle Cirsium vinaceum OBLSacred Lotus Nelumbo nucifera OBLSacred Thorn-Apple Datura wrightii UPLSaffron Groundsel Packera crocata FACSaffron-Plum Sideroxylon celastrinum FACSage Willow Salix candida OBLSagebrush Buttercup Ranunculus glaberrimus FACSago False Pondweed Stuckenia pectinata OBLSaline Saltbush Atriplex dioica FACSaltmarsh Club-Rush Schoenoplectus maritimus OBLSaltmarsh False Foxglove Agalinis maritima OBLSaltmarsh Rush Juncus gerardii OBLSaltmarsh Sandspurry Spergularia marina OBLSaltmarsh Umbrella Sedge Fuirena breviseta OBLSalt-Meadow Cord Grass Spartina patens FACWSaltwater Cord Grass Spartina alterniflora OBL

Samiland-Gentian Comastoma tenellum FACSampson's-Snakeroot Orbexilum pedunculatum FACUSand Bittercress Cardamine parviflora FACWSand Dropseed Sporobolus cryptandrus FACUSand Flat Sedge Cyperus schweinitzii FACUSand Plantain Plantago arenaria FACUSand Pygmyweed Crassula connata OBLSand Rose-Gentian Sabatia arenicola FACWSand Spike-Rush Eleocharis montevidensis FACWSandbar Love Grass Eragrostis frankii FACWSandbar Willow Salix interior FACWSandhill Amaranth Amaranthus arenicola FACUSandpaper Vervain Verbena scabra OBLSand-Swamp Whitetop Rhynchospora latifolia OBLSanguinaria Alternanthera ficoidea FACUSanta Catalina Mountain-Pink Zeltnera nudicaulis FACWSanta Maria Feverfew Parthenium hysterophorus FACSapello Canyon Larkspur Delphinium sapellonis FACSarsparilla-Vine Smilax pumila FACSartwell's Sedge Carex sartwellii FACWSaskatoon Service-Berry Amelanchier alnifolia FACUSassafras Sassafras albidum FACUSatin-Flower Spergularia media FACUSatiny Willow Salix pellita FACWSavannah-Panic Grass Phanopyrum gymnocarpon OBLSawatch Knotweed Polygonum sawatchense FACUSawbrier Smilax glauca UPLSaw-Tooth Blackberry Rubus argutus FACSaw-Tooth Sunflower Helianthus grosseserratus FACWScallion-Grass Eleocharis mutata OBLScarlet Cinquefoil Potentilla thurberi FACWScarlet Indian-Paintbrush Castilleja coccinea FACUScarlet Yellow-Loosestrife Lysimachia arvensis FACUScarlet-Fruit Passion-Flower Passiflora foetida FACScentbottle Piperia dilatata FACWScorpion Tick-Trefoil Desmodium scorpiurus FACUScorpion's-Tail Heliotropium angiospermum UPLScotland Orache Atriplex glabriuscula FACUScouler's Willow Salix scouleriana FACUSea Vetchling Lathyrus japonicus FACUSeacoast Marsh-Elder Iva imbricata FACWSea-Milkwort Lysimachia maritima OBLSea-Oats Uniola paniculata FACUSeashore Crown Grass Paspalum vaginatum FACWSeashore Dropseed Sporobolus virginicus FACWSeaside Alder Alnus maritima OBLSeaside American-Aster Symphyotrichum subulatum OBLSeaside Arrow-Grass Triglochin maritima OBLSeaside Barley Hordeum marinum FACUSeaside Club-Rush Schoenoplectus robustus OBLSeaside Goldenrod Solidago sempervirens FACWSeaside Heliotrope Heliotropium curassavicum OBLSeaside-Petunia Calibrachoa parviflora FACWSeedbox Ludwigia alternifolia OBLSeep Monkey-Flower Mimulus guttatus OBLSeep Muhly Muhlenbergia reverchonii FACSelloa Pampus Grass Cortaderia selloana FACUSeneca-Snakeroot Polygala senega FACUSensitive Fern Onoclea sensibilis FACWSeptember Elm Ulmus serotina FACUSepticweed Senna occidentalis UPLSerpent-Grass Bistorta vivipara FACWSessile-Fruit Arrowhead Sagittaria rigida OBLSessile-Leaf Bellwort Uvularia sessilifolia FACU

Setose Blackberry Rubus setosus FACWSeven-Angle Pipewort Eriocaulon aquaticum OBLSeveral-Vein Sweetflag Acorus americanus OBLShade Mudflower Micranthemum umbrosum OBLShag-Bark Hickory Carya ovata FACUShaggy False Hedge-Nettle Sophronanthe pilosa FACWShaggy-Soldier Galinsoga quadriradiata FACUShakeshake Crotalaria incana FACUShallow Sedge Carex lurida OBLSharp Dock Rumex conglomeratus FACWSharp Gayfeather Liatris acidota FACSharp-Leaf Buttercup Ranunculus acriformis FACWSharp-Leaf Cancerwort Kickxia elatine FACUSharp-Scale Club-Rush Schoenoplectus erectus OBLSharp-Scale Flat Sedge Cyperus oxylepis FACWSharp-Scale Sedge Carex oxylepis OBLSharp-Wing Monkey-Flower Mimulus alatus OBLShawnee-Salad Hydrophyllum virginianum FACSheathed False Pondweed Stuckenia vaginata OBLSheathed Flat Sedge Cyperus haspan OBLSheathed Sedge Carex vaginata OBLShell-Bark Hickory Carya laciniosa FACShepherd's-Purse Capsella bursa-pastoris FACUShingle Oak Quercus imbricaria FACShining Bedstraw Galium concinnum FACUShining Fir-Moss Huperzia lucidula FACWShining Flat Sedge Cyperus bipartitus FACWShining Ladies'-Tresses Spiranthes lucida FACWShining Leopardbane Arnica fulgens UPLShining Pepperwort Lepidium nitidum FACShining Willow Salix lucida FACWShinleaf Pyrola elliptica UPLShiny Wedgescale Sphenopholis nitida UPLShiny-Leaf Meadowsweet Spiraea betulifolia FACUShoalweed Halodule wrightii OBLShore Grass Distichlis littoralis OBLShoreline Sea-Purslane Sesuvium portulacastrum FACWShoreline Sedge Carex hyalinolepis OBLShort-Awn Meadow-Foxtail Alopecurus aequalis OBLShort-Beak Arrowhead Sagittaria brevirostra OBLShort-Beak Beak Sedge Rhynchospora nitens OBLShort-Beak Sedge Carex brevior FACShort-Beak Water-Crowfoot Ranunculus subrigidus OBLShort-Beard Plume Grass Saccharum brevibarbe FACWShort-Bristle Horned Beak SedgeRhynchospora corniculata OBLShort-Flower Monkey-Flower Mimulus breviflorus FACWShort-Leaf Fringed Orchid Platanthera brevifolia FACUShort-Leaf Hair Grass Deschampsia brevifolia FACWShort-Leaf Rush Juncus brachyphyllus FACShort-Leaf Sedge Carex fuliginosa FACWShort-Leaf Spike Sedge Kyllinga brevifolia FACWShort-Ray Fleabane Erigeron lonchophyllus FACWShort's Rockcress Boechera dentata UPLShort-Seed Waterwort Elatine brachysperma FACWShort-Spike Canary Grass Phalaris brachystachys FACWShort-Stalk Mouse-Ear ChickweedCerastium brachypodum FACUShort-Stalk Sedge Carex podocarpa FACShowy Alpine Ragwort Senecio amplectens FACWShowy False Dragonhead Physostegia pulchella FACWShowy Lady's-Slipper Cypripedium reginae FACWShowy Milkweed Asclepias speciosa FACShowy Rattlebox Crotalaria spectabilis FACU

Showy Tick-Trefoil Desmodium canadense FACShowy Whitetop Rhynchospora nivea FACWShowy Whitlow-Grass Draba spectabilis FACUShowy Zephyr-Lily Zephyranthes pulchella FACWShrubby Seepweed Suaeda nigra OBLShrubby St. John's-Wort Hypericum prolificum FACUShrubby Willowherb Epilobium suffruticosum FACUShrubby-Fivefingers Sibbaldia tridentata FACUShumard's Oak Quercus shumardii FACSiberian Elm Ulmus pumila UPLSiberian Water-Milfoil Myriophyllum sibiricum OBLSiberian Wood-Aster Eurybia sibirica FACSidebells Orthilia secunda FACUSide-Flower Bishop's-Cap Mitella stauropetala FACSierran Bittercress Cardamine breweri FACWSierran Fumewort Corydalis caseana FACWSierran Hare Sedge Carex leporinella FACWSierran Rush Juncus nevadensis FACWSilk-Cotton Purslane Portulaca halimoides FACWSilver Buffalo-Berry Shepherdia argentea UPLSilver Cock's-Comb Celosia argentea UPLSilver Dwarf-Morning-Glory Evolvulus sericeus UPLSilver Maple Acer saccharinum FACSilver Plume Grass Saccharum alopecuroides FACWSilver-Leaf Cinquefoil Potentilla argentea FACUSilver-Leaf Milk-Vetch Astragalus argophyllus FACWSilverscale Atriplex argentea FACSilver-Sheath Knotweed Polygonum argyrocoleon OBLSilverweed Potentilla anserina FACWSilvery Primrose Primula incana FACWSimpler's-Joy Verbena hastata FACWSingle-Delight Moneses uniflora FACSingle-Stem Leather-Root Orbexilum simplex FACSingletary Vetchling Lathyrus hirsutus FACSingle-Vein Sweetflag Acorus calamus OBLSitka Alder Alnus viridis FACSitka Mistmaiden Romanzoffia sitchensis FACWSitka Mountain-Ash Sorbus sitchensis FACSitka Willow Salix sitchensis FACWSix-Angle Foldwing Dicliptera sexangularis FACSix-Weeks Love Grass Eragrostis lutescens FACUSkinner's False Foxglove Agalinis skinneriana FACUSkunk Currant Ribes glandulosum OBLSkunk-Cabbage Symplocarpus foetidus OBLSlash Pine Pinus elliottii FACSleepingplant Chamaecrista fasciculata FACUSleepydick Ornithogalum umbellatum FACUSlender Amaranth Amaranthus viridis FACSlender Beak Sedge Rhynchospora gracilenta OBLSlender Bog Orchid Platanthera stricta FACWSlender Centaury Centaurium tenuiflorum FACWSlender Cotton-Grass Eriophorum gracile OBLSlender Crown Grass Paspalum setaceum FACSlender Cudweed Gnaphalium exilifolium FACSlender False Buttonweed Spermacoce tenuior FACWSlender False Dragonhead Physostegia intermedia OBLSlender Fimbry Fimbristylis autumnalis OBLSlender Hair Grass Deschampsia elongata FACSlender Meadow-Foxtail Alopecurus myosuroides FACWSlender Muhly Muhlenbergia sericea FACUSlender Plantain Plantago heterophylla FACWSlender Rose-Gentian Sabatia campanulata FACWSlender Scratchdaisy Croptilon divaricatum FACUSlender Sea-Purslane Sesuvium maritimum FACW

Slender Spike-Rush Eleocharis tenuis FACWSlender Three-Seed-Mercury Acalypha gracilens FACSlender Water-Milfoil Myriophyllum tenellum OBLSlender Waternymph Najas gracillima OBLSlender Wedgescale Sphenopholis intermedia FACSlender Whitlow-Grass Draba albertina FACSlender Wild Rye Elymus trachycaulus FACUSlender Woodland Sedge Carex digitalis UPLSlender Wood-Oats Chasmanthium laxum FACSlender Wood-Reed Cinna latifolia OBLSlender Yellow Wood-Sorrel Oxalis dillenii FACUSlender Yellow-Eyed-Grass Xyris torta OBLSlender-Beak Sedge Carex athrostachya FACWSlender-Fruit Beak Sedge Rhynchospora leptocarpa OBLSlender-Fruit Nut-Rush Scleria georgiana FACWSlender-Fruit Willowherb Epilobium leptocarpum FACWSlender-Leaf False Foxglove Agalinis tenuifolia FACSlender-Leaf False Pondweed Stuckenia filiformis OBLSlender-Leaf Wild Lovage Ligusticum tenuifolium FACSlim-Bristle Sandburr Cenchrus brownii FACUSlim-Flower Muhly Muhlenbergia tenuiflora FACUSlim-Lobe Beggarticks Bidens tenuisecta FACWSlim-Pod Rush Juncus diffusissimus FACWSlim-Stem Reed Grass Calamagrostis stricta FACWSlippery Elm Ulmus rubra FACUSmall Beggarticks Bidens discoidea FACWSmall Black-Tip Ragwort Senecio lugens FACWSmall Butterwort Pinguicula pumila OBLSmall Carp Grass Arthraxon hispidus FACUSmall Coastal Germander Teucrium cubense FACSmall Cranberry Vaccinium oxycoccos OBLSmall Dropseed Sporobolus neglectus UPLSmall Enchanter's-Nightshade Circaea alpina FACWSmall Evening-Primrose Oenothera perennis FACSmall Floating Manna Grass Glyceria borealis OBLSmall Pondweed Potamogeton pusillus OBLSmall Skullcap Scutellaria parvula UPLSmall Spike-Rush Eleocharis minima OBLSmall White Fawn-Lily Erythronium albidum FACUSmall White Lady's-Slipper Cypripedium candidum OBLSmall Woodland Sunflower Helianthus microcephalus UPLSmall-Flower Baby-Blue-Eyes Nemophila aphylla FACSmall-Flower Buttercup Ranunculus parviflorus FACSmall-Flower False Foxglove Agalinis paupercula FACSmall-Flower Goat-Chicory Agoseris parviflora UPLSmall-Flower Grass-of-ParnassusParnassia parviflora OBLSmall-Flower Halfchaff Sedge Lipocarpha micrantha FACWSmall-Flower Pawpaw Asimina parviflora FACSmall-Flower Tamarisk Tamarix parviflora FACWSmall-Flower Thimbleweed Anemone parviflora FACUSmall-Flower Thoroughwort Eupatorium semiserratum FACSmall-Flower Valerian Valeriana occidentalis FACSmall-Flower Wood-Rush Luzula parviflora UPLSmall-Fruit Beggarticks Bidens mitis OBLSmall-Fruit Spike-Rush Eleocharis microcarpa OBLSmall-Head Doll's Daisy Boltonia diffusa FACWSmall-Head Rush Juncus brachycephalus OBLSmall-Head Sedge Carex illota FACWSmall-Head Sneezeweed Helenium microcephalum FACWSmall-Leaf Angelica Angelica pinnata FACWSmall-Leaf Wandering-Jew Tradescantia fluminensis FACSmall-Spike False Nettle Boehmeria cylindrica FACWSmall-Wing Sedge Carex microptera FAC

Smith's Club-Rush Schoenoplectus smithii OBLSmooth Arrow-Wood Viburnum recognitum FACSmooth Beggarticks Bidens laevis OBLSmooth Blackhaw Viburnum prunifolium FACUSmooth Blue American-Aster Symphyotrichum laeve FACUSmooth Brome Bromus inermis UPLSmooth Crab Grass Digitaria ischaemum UPLSmooth False Buttonweed Spermacoce glabra FACWSmooth Flat Sedge Cyperus laevigatus FACSmooth Hawk's-Beard Crepis capillaris UPLSmooth Hedge-Nettle Stachys tenuifolia FACWSmooth Joyweed Alternanthera paronychioides OBLSmooth Muhly Muhlenbergia glabrifloris FACSmooth Northern-Rockcress Braya glabella FACUSmooth Oxeye Heliopsis helianthoides FACUSmooth Phlox Phlox glaberrima FACSmooth Rose Rosa blanda FACUSmooth Saw-Grass Cladium mariscoides OBLSmooth Scouring-Rush Equisetum laevigatum FACSmooth Smartweed Persicaria glabra OBLSmooth White American-Aster Symphyotrichum porteri FACUSmooth White Violet Viola macloskeyi FACWSmooth Willowherb Epilobium campestre FACWSmooth-Cone Sedge Carex laeviconica OBLSmooth-Seed Pygmyweed Crassula solieri FACWSmooth-Stem Sedge Carex laeviculmis FACWSmooth-Twig Gray Willow Salix atrocinerea FACWSmut Grass Sporobolus indicus FACUSnake-Mouth Orchid Pogonia ophioglossoides OBLSnow Pearlwort Sagina nivalis FACWSnowline Wintergreen Pyrola minor FACUSnow-on-the-Mountain Euphorbia marginata FACUSnowy Catchfly Silene nivea FACWSnowy Orchid Platanthera nivea FACWSoft Brome Bromus hordeaceus UPLSoft Cinquefoil Potentilla pulcherrima FACSoft Fox Sedge Carex conjuncta FACSoft Heliotrope Heliotropium molle FACWSoft-Leaf Mimosa Mimosa malacophylla FACWSoft-Leaf Sedge Carex disperma FACWSoft-Seed Wild Petunia Ruellia malacosperma FACWSoft-Stem Club-Rush Schoenoplectus tabernaemontani

OBLSoft-Stem Spike-Rush Eleocharis mamillata OBLSoldier Rockcress Boechera lemmonii UPLSoldier's Orchid Zeuxine strateumatica FACSonoran Viper Grass Dinebra viscida FACUSorrelvine Cissus trifoliata FACUSour Crown Grass Paspalum conjugatum FACSour Grass Digitaria insularis FACSouth American Skullcap Scutellaria racemosa FACWSoutheastern Cut-Throat Grass Coleataenia tenera FACWSouthern Adder's-Tongue Ophioglossum vulgatum FACWSouthern Amaranth Amaranthus australis OBLSouthern Appressed Club-MossLycopodiella appressa OBLSouthern Arrow-Wood Viburnum dentatum FACSouthern Bald-Cypress Taxodium distichum OBLSouthern Bayberry Morella cerifera FACSouthern Beak Sedge Rhynchospora microcarpa FACWSouthern Bladderwort Utricularia juncea OBLSouthern Bluethread Burmannia capitata OBLSouthern Catalpa Catalpa bignonioides UPLSouthern Cat-Tail Typha domingensis OBL

Southern Crab Grass Digitaria ciliaris FACUSouthern Cut Grass Leersia hexandra OBLSouthern Dewberry Rubus trivialis FACUSouthern Fimbry Fimbristylis decipiens FACSouthern Flat Sedge Cyperus thyrsiflorus FACSouthern Lady Fern Athyrium asplenioides FACSouthern Magnolia Magnolia grandiflora FACSouthern Maidenhair Adiantum capillus-veneris FACWSouthern Marsh Yellowcress Rorippa teres OBLSouthern Red Oak Quercus falcata FACUSouthern Sandburr Cenchrus echinatus UPLSouthern Sedge Carex austrina FACUSouthern Twayblade Neottia bifolia FACWSouthern Umbrella Sedge Fuirena scirpoidea OBLSouthern Water Grass Luziola fluitans OBLSouthern Waxy Sedge Carex glaucescens OBLSouthern White-Top Doellingeria sericocarpoides FACWSouthwestern Cosmos Cosmos parviflorus FACSouthwestern Showy Sedge Carex bella FACSpanishgold Grindelia ciliata UPLSpanish-Moss Tillandsia usneoides UPLSpanish-Needles Bidens bipinnata FACUSparse-Flower Sedge Carex tenuiflora OBLSparse-Lobe Grape Fern Sceptridium biternatum FACSpear-Bract Blue-Eyed-Grass Sisyrinchium sagittiferum FACWSpear-Leaf Leopardbane Arnica longifolia FACWSpearmint Mentha spicata FACWSpeckled Alder Alnus incana FACWSpeckle-Pod Milk-Vetch Astragalus diphysus UPLSpectacle-Fruit Wislizenia refracta FACWSpiderwisp Gynandropsis gynandra FACSpiked Bent Agrostis exarata FACWSpiked Crested-Coralroot Hexalectris spicata UPLSpiked Muhly Muhlenbergia glomerata FACWSpiked Wood-Rush Luzula spicata FACUSpindleroot Ludwigia hirtella OBLSpineless Hornwort Ceratophyllum echinatum OBLSpinulose Wood Fern Dryopteris carthusiana FACWSpiny Amaranth Amaranthus spinosus FACUSpiny Cockleburr Xanthium spinosum FACUSpiny False Fiddleleaf Hydrolea spinosa OBLSpiny-Fruit Buttercup Ranunculus muricatus FACWSpiny-Leaf Sow-Thistle Sonchus asper FACSpiny-Spore Quillwort Isoetes echinospora OBLSpiral Ditch-Grass Ruppia cirrhosa OBLSpiral Pondweed Potamogeton spirillus OBLSplit-Beard Bluestem Andropogon ternarius FACUSpoon-Leaf Purple Everlasting Gamochaeta purpurea FACUSpoon-Leaf Sundew Drosera intermedia OBLSpotted Beebalm Monarda punctata UPLSpotted Crane's-Bill Geranium maculatum FACUSpotted Evening-Primrose Oenothera canescens FACSpotted Lady's-Thumb Persicaria maculosa FACWSpotted Pondweed Potamogeton pulcher OBLSpotted Sandmat Euphorbia maculata FACUSpotted St. John's-Wort Hypericum punctatum FACSpotted Touch-Me-Not Impatiens capensis FACWSpotted Trumpetweed Eutrochium maculatum OBLSpotted Water-Hemlock Cicuta maculata OBLSprawling Liverseed Grass Urochloa reptans UPLSpread-Fruit Golden-Banner Thermopsis divaricarpa FACSpreading Alkali Grass Puccinellia distans FACWSpreading Alkali-Weed Cressa truxillensis FACWSpreading Amaranth Amaranthus crassipes FAC

Spreading Beak Sedge Rhynchospora divergens OBLSpreading Bent Agrostis stolonifera FACWSpreading Chervil Chaerophyllum procumbens FACSpreading Dogbane Apocynum androsaemifolium UPLSpreading Goldeneggs Taraxia subacaulis FACWSpreading Muhly Muhlenbergia expansa FACWSpreading Sandmat Euphorbia humistrata FACSpreading Sandwort Arenaria lanuginosa FACUSpreading Sweetjuice Glinus radiatus FACWSpreading Yellowcress Rorippa sinuata FACWSpring Avens Geum vernum FACUSpring Blue-Eyed Mary Collinsia verna FACSpring Coralroot Corallorhiza wisteriana FACUSpring Forget-Me-Not Myosotis verna FACSpring Ladies'-Tresses Spiranthes vernalis FACWSpring Spider-Lily Hymenocallis liriosme OBLSpruce-Fir Buttercup Ranunculus eschscholtzii FACWSquare-Stem Spike-Rush Eleocharis quadrangulata OBLSquare-Twig Blueberry Vaccinium membranaceum FACUSquarrose Sedge Carex squarrosa FACWSquashberry Viburnum edule FACWSquawthorn Lycium torreyi FACSt. Andrew's-Cross Hypericum hypericoides FACUSt. Anthony's-Turnip Ranunculus bulbosus FACSt. Augustine Grass Stenotaphrum secundatum FACSt. Peter's-Wort Hypericum crux-andreae FACStalked Bulrush Scirpus pedicellatus OBLStalkflower Nesaea longipes FACWStalk-Grain Sedge Carex stipata OBLStalkless Yellowcress Rorippa sessiliflora OBLStar Sedge Carex echinata OBLStar Tickseed Coreopsis pubescens FACUStarry False Solomon's-Seal Maianthemum stellatum FACUSteeplebush Spiraea tomentosa FACWStemless Locoweed Oxytropis lambertii UPLSteven's Sedge Carex stevenii FACSticky Cheat Gily-Flower Aliciella pinnatifida FACSticky Currant Ribes viscosissimum FACUSticky False Asphodel Triantha glutinosa OBLSticky Hedge-Hyssop Gratiola brevifolia FACWSticky Mountain-Pink Zeltnera glandulifera FACUSticky Mouse-Ear Chickweed Cerastium glomeratum FACUSticky Purple Crane's-Bill Geranium viscosissimum FACUSticky Waxweed Cuphea glutinosa FACUSticky Woodbeauty Drymocallis glandulosa FACSticky-Leaf Leopardbane Arnica ovata FACWSticky-Willy Galium aparine FACUStiff Bear-Grass Nomaphila stricta OBLStiff Blue-Eyed-Grass Sisyrinchium demissum OBLStiff Cowbane Oxypolis rigidior OBLStiff Dogwood Cornus foemina FACWStiff Marsh Bedstraw Galium tinctorium OBLStiff Spadeleaf Centella erecta FACWStiff Yellow Flax Linum medium FACStinging Nettle Urtica dioica FACStink Grass Eragrostis cilianensis FACUStinking Camphorweed Pluchea foetida FACWStinking Chamomile Anthemis cotula FACUStipitate Cut-Throat Grass Coleataenia stipitata FACWStout Meadow Ragwort Senecio hydrophiloides FACWStout Rush Juncus nodatus OBLStout Smartweed Persicaria robustior OBLStraggler Daisy Calyptocarpus vialis FACStraight-Beak Buttercup Ranunculus orthorhynchus FACW

Straight-Leaf Pondweed Potamogeton strictifolius OBLStrap-Leaf Willow Salix ligulifolia FACWStrap-Style Gayfeather Liatris ligulistylis FACStrawberry-Head Clover Trifolium fragiferum FACStrawberry-Leaf Raspberry Rubus pedatus FACStraw-Color Flat Sedge Cyperus strigosus FACWStream Bog-Moss Mayaca fluviatilis OBLStreambank Groundsel Packera pseudaurea FACWStreambank Pseudosaxifrage Micranthes odontoloma FACWStreambank Rabbit's-Foot GrassPolypogon elongatus OBLStreamside Fleabane Erigeron glabellus FACWStreamside Wild Rye Elymus lanceolatus FACUStretchberry Forestiera pubescens FACUStrict Blue-Eyed-Grass Sisyrinchium montanum FACStriped Bladderwort Utricularia striata OBLStriped Cream Violet Viola striata FACWStriped False Pondweed Stuckenia striata OBLStriped Knotweed Polygonum striatulum FACWStriped Rose-Mallow Hibiscus striatus OBLSturdy Sedge Carex alma OBLSubalpine Larkspur Delphinium barbeyi FACSubalpine Monkey-Flower Mimulus tilingii OBLSuckling Clover Trifolium dubium FACUSugar Maple Acer saccharum UPLSugar-Berry Celtis laevigata FACSugar-Cane Saccharum officinarum UPLSuksdorf's Spike-Rush Eleocharis suksdorfiana OBLSulphur Beardtongue Penstemon attenuatus FACUSulphur Buttercup Ranunculus sulphureus OBLSulphur Cosmos Cosmos sulphureus UPLSummer Coralroot Corallorhiza maculata UPLSummer Grape Vitis aestivalis FACSwamp Bay Persea palustris FACWSwamp Chestnut Oak Quercus michauxii FACWSwamp Dock Rumex verticillatus FACWSwamp Fly-Honeysuckle Lonicera oblongifolia OBLSwamp Hornpod Mitreola sessilifolia FACWSwamp Leather-Flower Clematis crispa FACSwamp Lousewort Pedicularis lanceolata OBLSwamp Milkweed Asclepias incarnata FACWSwamp Milkwort Polygala tenella FACWSwamp Prickle Grass Crypsis schoenoides OBLSwamp Red Currant Ribes triste OBLSwamp Rose Rosa palustris OBLSwamp Saw-Grass Cladium mariscus OBLSwamp Smartweed Persicaria hydropiperoides OBLSwamp Sunflower Helianthus angustifolius FACSwamp Thistle Cirsium muticum FACWSwamp Tupelo Nyssa biflora OBLSwampcandles Lysimachia terrestris OBLSwamp-Loosestrife Decodon verticillatus OBLSwan's Sedge Carex swanii UPLSwaying Club-Rush Schoenoplectus subterminalis OBLSweet Autumn Virgin's-Bower Clematis terniflora FACUSweet Cherry Prunus avium UPLSweet Coneflower Rudbeckia subtomentosa FACSweet Shaggytuft Stenandrium dulce FACWSweet White Violet Viola blanda FACWSweet Wood-Reed Cinna arundinacea FACWSweet-Bay Magnolia virginiana OBLSweet-Berry Honeysuckle Lonicera cauriana FACSweetbrier Rosa rubiginosa UPLSweet-Flower Rock-Jasmine Androsace chamaejasme FACU

Sweetgale Myrica gale OBLSweet-Gum Liquidambar styraciflua FACSweetscent Pluchea odorata FACWSweet-Scented Joe-Pye-Weed Eutrochium purpureum FACSwollen Beaked Sedge Carex rostrata OBLSwollen Bladderwort Utricularia inflata OBLSwollen Windmill Grass Chloris barbata FACUSword Bogmat Wolffiella gladiata OBLSycamore-Leaf Snowbell Styrax platanifolius FACTadpole Alkali Buttercup Cyrtorhyncha ranunculina FACTahitian Bridalveil Gibasis geniculata FACTall Beggarticks Bidens vulgata FACTall Bluebells Mertensia paniculata FACTall Buttercup Ranunculus acris FACWTall Cotton-Grass Eriophorum angustifolium OBLTall False Foxglove Agalinis aspera FACUTall False Rye Grass Schedonorus arundinaceus FACUTall Flat Sedge Cyperus eragrostis FACWTall Fleabane Erigeron elatior FACWTall Fringe Bluebells Mertensia ciliata FACWTall Goldenrod Solidago altissima FACUTall Hairy Grooveburr Agrimonia gryposepala FACTall Hedge-Mustard Sisymbrium altissimum FACUTall Horned Beak Sedge Rhynchospora macrostachya OBLTall Manna Grass Glyceria elata OBLTall Oat Grass Arrhenatherum elatius FACUTall Ragwort Senecio serra FACWTall Rattlesnake-Root Nabalus altissimus UPLTall Redtop Tridens flavus UPLTall Scouring-Rush Equisetum hyemale FACWTall Thimbleweed Anemone virginiana FACUTall Tickseed Coreopsis tripteris FACTall Woodbeauty Drymocallis arguta FACUTalquezal Paspalum virgatum FACWTalus Willowherb Epilobium clavatum FACUTansy Dogshade Limnosciadium pinnatum FACWTapered Rosette Grass Dichanthelium acuminatum FACTaper-Leaf Water-Horehound Lycopus rubellus OBLTaper-Tip Cup Grass Eriochloa acuminata FACTaper-Tip Flat Sedge Cyperus acuminatus OBLTarget Dropseed Sporobolus pyramidatus FACTassel Cotton-Grass Eriophorum viridicarinatum OBLTawny Cotton-Grass Eriophorum virginicum OBLTeacher's Sedge Carex praeceptorum OBLTeal Love Grass Eragrostis hypnoides OBLTea-Leaf Willow Salix planifolia OBLTen-Angle Pipewort Eriocaulon decangulare OBLTerrestrial Water-Starwort Callitriche terrestris FACWTexas Bergia Bergia texana OBLTexas Bindweed Convolvulus equitans FACUTexas Cornsalad Valerianella florifera FACTexas Dropseed Sporobolus texanus FACTexas Flat Sedge Cyperus seslerioides FACTexas Goldentop Euthamia gymnospermoides FACTexas Ironweed Vernonia texana FACUTexas Ladies'-Tresses Spiranthes brevilabris FACTexas Milkweed Asclepias texana FACUTexas Mulberry Morus microphylla UPLTexas Pipewort Eriocaulon texense OBLTexas Pseudosaxifrage Micranthes texana FACWTexas Red Oak Quercus texana FACWTexas Rush Juncus texanus OBLTexas Sea-Purslane Sesuvium trianthemoides OBLTexas Selenia Selenia dissecta FACW

Texas Sunnybell Schoenolirion wrightii FACWTexas Trillium Trillium texanum FACTexas Umbrella-Wort Tauschia texana FACWTexas Wild Rice Zizania texana OBLTexas-Blueweed Helianthus ciliaris FACTexas-Salt Allolepis texana FACTexas-Star Sabatia campestris FACUTex-Mex Tobacco Nicotiana plumbaginifolia FACThicket Sedge Carex abscondita FACThicket-Creeper Parthenocissus inserta FACThick-Head Sedge Carex pachystachya FACThick-Leaf Drymary Drymaria pachyphylla FACUThick-Leaf Phlox Phlox carolina FACUThick-Leaf Ragwort Senecio crassulus FACUThieret's Skullcap Scutellaria thieretii FACWThin-Fruit Sedge Carex flaccosperma FACWThread Rush Juncus filiformis OBLThread-Leaf Beak Sedge Rhynchospora filifolia FACThread-Leaf Water-Crowfoot Ranunculus trichophyllus OBLThread-Stem Carpetweed Mollugo cerviana FACThreebirds Triphora trianthophoros FACUThree-Leaf False Solomon's-SealMaianthemum trifolium OBLThree-Leaf Goldthread Coptis trifolia FACWThree-Lobe Beggarticks Bidens tripartita FACWThree-Lobe False Mallow Malvastrum coromandelianum FACThree-Lobe Violet Viola palmata FACUThree-Petal Bedstraw Galium trifidum OBLThree-Seed Sedge Carex trisperma OBLThree-Square Schoenoplectus pungens OBLThree-Way Sedge Dulichium arundinaceum OBLThurber's Bog Orchid Platanthera limosa OBLThurber's Pepperwort Lepidium thurberi UPLThyme-Leaf Sandwort Arenaria serpyllifolia FACUThyme-Leaf Speedwell Veronica serpyllifolia OBLTierra del Fuego Dock Rumex fueginus FACWTievine Ipomoea cordatotriloba FACTilesius' Wormwood Artemisia tilesii FACUTimber Wild Oat Grass Danthonia intermedia FACTimothy Canary Grass Phalaris angusta FACWTinted Woodland Spurge Euphorbia commutata FACUTiny Bluet Houstonia pusilla UPLTiny Mousetail Myosurus minimus FACWTiny Vetchling Lathyrus pusillus FACTissue Sedge Carex hyalina FACWToad Rush Juncus bufonius OBLTobacco-Root Valeriana edulis FACTongue-Shape Bogmat Wolffiella lingulata OBLToothachetree Zanthoxylum americanum UPLToothed Dock Rumex dentatus FACUToothed Medick Medicago polymorpha FACUTorpedo Grass Panicum repens FACTorrey's Club-Rush Schoenoplectus torreyi OBLTorrey's Rush Juncus torreyi FACWTorrey's Sedge Carex torreyi UPLTower Larkspur Delphinium glaucum FACWTowering Jacob's-Ladder Polemonium foliosissimum FACTracy's Thistle Cirsium tracyi FACUTrailing Black Currant Ribes laxiflorum FACUTrailing Fleabane Erigeron flagellaris FACTrailing Fuzzy-Bean Strophostyles helvola FACUTrailing Pearlwort Sagina decumbens FACTrailing Yellow-Loosestrife Lysimachia radicans FACWTrans-Pecos Amaranth Amaranthus obcordatus FACU

Trans-Pecos Cliffbrake Pellaea ternifolia FACUTrans-Pecos Mouse-Ear ChickweedCerastium axillare FACTrans-Pecos Sea-Lavender Limonium limbatum FACWTrans-Pecos Sunflower Helianthus paradoxus FACWTree Sparkle-Berry Vaccinium arboreum FACUTree Tobacco Nicotiana glauca FACTree-Marigold Tithonia diversifolia FACTree-of-Heaven Ailanthus altissima FACUTriangle Cactus Acanthocereus tetragonus FACUTriangle-Lobe Moonwort Botrychium ascendens FACTriangular-Valved Dock Rumex triangulivalvis FACWTropical Flat Sedge Cyperus surinamensis FACWTropical Girdlepod Mitracarpus hirtus FACUTropical Liverseed Grass Urochloa distachya FACTropical Puff Neptunia pubescens FACTropical Reed Phragmites karka FACWTropical Royal-Blue Water-Lily Nymphaea elegans OBLTropical Sprangletop Leptochloa virgata FACTropical White Morning-Glory Ipomoea alba FACTroublesome Sedge Carex molesta FACWTrue Forget-Me-Not Myosotis scorpioides OBLTrumpet Evening-Primrose Oenothera jamesii FACWTrumpet Honeysuckle Lonicera sempervirens FACTrumpet-Creeper Campsis radicans FACUTrumpetweed Eutrochium fistulosum FACWTuberous Grass-Pink Calopogon tuberosus OBLTuckerman's Sedge Carex tuckermanii OBLTufted Alpine Saxifrage Saxifraga caespitosa FACUTufted Hair Grass Deschampsia caespitosa FACWTufted Leafless-Bulrush Trichophorum caespitosum OBLTufted Meadow-Foxtail Alopecurus carolinianus FACWTufted Yellow-Loosestrife Lysimachia thyrsiflora OBLTuliptree Liriodendron tulipifera FACUTumbleweed Amaranthus albus FACUTumbling Orache Atriplex rosea FACUTurion Duckweed Lemna turionifera OBLTurkey-Tangle Phyla nodiflora FACTurtle-Grass Thalassia testudinum OBLTurtleweed Batis maritima OBLTussock Cotton-Grass Eriophorum vaginatum OBLTussock Dropseed Sporobolus diandrus UPLTwining Screwstem Bartonia paniculata OBLTwinsisters Lonicera tatarica FACUTwisted Sedge Carex torta FACWTwisted Spike-Rush Eleocharis tortilis FACWTwisted Tanglehead Heteropogon contortus UPLTwo-Flower Dwarf-Dandelion Krigia biflora FACTwo-Leaf Bishop's-Cap Mitella diphylla FACUTwo-Leaf Groundsel Packera dimorphophylla FACUTwo-Leaf Water-Milfoil Myriophyllum heterophyllum OBLTwo-Leaf Waterweed Elodea bifoliata OBLTwo-Lobe Larkspur Delphinium nuttallianum FACUTwo-Wing Silverbell Halesia diptera FACUinta Clover Trifolium dasyphyllum FACUUmbrella Flat Sedge Cyperus diandrus FACWUmbrella Magnolia Magnolia tripetala FACUmbrella Starwort Stellaria umbellata FACWUpland Bent Agrostis perennans FACUpland Cotton Gossypium hirsutum UPLUpland Swamp-Privet Forestiera ligustrina FACUpright Blue Beardtongue Penstemon virgatus FACUUpright Burrhead Echinodorus berteroi OBLUpright Yellow Wood-Sorrel Oxalis stricta FACU

Uptight Sedge Carex stricta OBLUruguayan Pampas Grass Cortaderia jubata UPLUtah Service-Berry Amelanchier utahensis FACUtah Swampfire Sarcocornia utahensis FACWVahl's Fimbry Fimbristylis vahlii FACWValamuerto Senna pendula FACValley Redstem Ammannia coccinea OBLValley Sedge Carex vallicola FACVancouver Island Beggarticks Bidens amplissima FACWVariable Flat Sedge Cyperus difformis OBLVariable Rosette Grass Dichanthelium commutatum FACVariable-Leaf Scorpion-Weed Phacelia heterophylla FACVariable-Leaf Sunflower Helianthus heterophyllus OBLVariegated Scouring-Rush Equisetum variegatum FACWVasey's Grass Paspalum urvillei FACWVasey's Pondweed Potamogeton vaseyi OBLVasey's Rush Juncus vaseyi FACWVeiny Dock Rumex venosus FACVeiny Vetchling Lathyrus venosus FACVeiny-Leaf Meadow-Rue Thalictrum venulosum FACVelvet Ash Fraxinus velutina FACVelvet Mesquite Prosopis velutina FACUVelvetleaf Abutilon theophrasti UPLVelvet-Leaf Blueberry Vaccinium myrtilloides FACWVelvetweed Oenothera curtiflora UPLVernal Water-Starwort Callitriche palustris OBLVerrucose Sea-Purslane Sesuvium verrucosum FACWVine-Mesquite Hopia obtusa FACViolet Crab Grass Digitaria violascens FACViolet Mock Brookfoam Suksdorfia violacea FACVirginia Blueflag Iris virginica OBLVirginia Bunchflower Veratrum virginicum FACWVirginia Buttonweed Diodia virginiana OBLVirginia Chain Fern Woodwardia virginica OBLVirginia Dayflower Commelina virginica FACVirginia Dwarf-Dandelion Krigia virginica FACUVirginia Fen-Rose Kosteletzkya pentacarpos OBLVirginia Mountain-Mint Pycnanthemum virginianum FACVirginia Spiderwort Tradescantia virginiana FACVirginia Springbeauty Claytonia virginica FACUVirginia St. John's-Wort Hypericum virginicum OBLVirginia Strawberry Fragaria virginiana FACUVirginia Sweetspire Itea virginica OBLVirginia Three-Seed-Mercury Acalypha virginica FACUVirginia Water-Horehound Lycopus virginicus OBLVirginia Wild Rye Elymus virginicus FACVirginia Winged Rockcress Planodes virginicum FACVirginia-Creeper Parthenocissus quinquefolia FACUVirginia-Snakeroot Endodeca serpentaria FACUViviparous Spike-Rush Eleocharis vivipara OBLWall Barley Hordeum murinum FACUWand Blackroot Pterocaulon virgatum FACWand Goldenrod Solidago stricta OBLWand Panic Grass Panicum virgatum FACWarty Panic Grass Panicum verrucosum FACWWarty Sedge Carex verrucosa OBLWarty Spurge Euphorbia spathulata FACUWasatch Desert-Parsley Lomatium bicolor UPLWashington Hawthorn Crataegus phaenopyrum FACWashington Monkey-Flower Mimulus washingtonensis OBLWater Birch Betula occidentalis FACWWater Dawnflower Stylisma aquatica FACWWater Hickory Carya aquatica OBLWater Horsetail Equisetum fluviatile OBL

Water Manna Grass Glyceria fluitans OBLWater Mint Mentha aquatica FACWWater Oak Quercus nigra FACWater Pygmyweed Crassula aquatica OBLWater Smartweed Persicaria amphibia OBLWater Tupelo Nyssa aquatica OBLWater Whorl Grass Catabrosa aquatica OBLWatercress Nasturtium officinale OBLWater-Dead-and-Awake Neptunia plena FACWWater-Dragon Calla palustris OBLWater-Lettuce Pistia stratiotes OBLWater-Locust Gleditsia aquatica OBLWatermelon Citrullus lanatus UPLWater-Plantain Buttercup Ranunculus alismifolius OBLWater-Purslane Didiplis diandra OBLWatershield Brasenia schreberi OBLWater-Spangles Salvinia minima OBLWater-Spider False Rein OrchidHabenaria repens OBLWatersprite Ceratopteris thalictroides OBLWaterthread Potamogeton diversifolius OBLWater-Thyme Hydrilla verticillata OBLWavy Hair Grass Deschampsia flexuosa UPLWavy Waternymph Najas flexilis OBLWavy-Leaf Thistle Cirsium undulatum FACUWawawai Wild Rye Elymus wawawaiensis FACUWax-Mallow Malvaviscus arboreus UPLWaxy Rush-Pea Hoffmannseggia glauca FACWaxy-Leaf Meadow-Rue Thalictrum revolutum FACWWeak Rush Juncus debilis FACWWeak-Stalk Club-Rush Schoenoplectus purshianus OBLWeak-Stem Groundsel Packera debilis FACWWedgeleaf Phyla cuneifolia FACWedge-Leaf Orache Atriplex truncata FACWedge-Leaf Saxifrage Saxifraga adscendens FACWWeedy Dwarf-Dandelion Krigia caespitosa FACWelsh's Bugseed Corispermum welshii UPLWest Indian Beak Sedge Rhynchospora brachychaeta OBLWest Indian Milkberry Chiococca alba FACUWest Indian Panic Grass Panicum diffusum FACWest Indian Shrub-Verbena Lantana urticoides FACUWestern American-Aster Symphyotrichum ascendens FACUWestern Arborvitae Thuja plicata UPLWestern Bottle-Brush Grass Elymus elymoides UPLWestern Canada Goldenrod Solidago lepida FACUWestern Coneflower Rudbeckia occidentalis FACWestern Dock Rumex occidentalis OBLWestern False Asphodel Triantha occidentalis FACWWestern False Deathcamas Anticlea occidentalis FACWWestern False Dragonhead Physostegia parviflora FACWWestern Goldentop Euthamia occidentalis OBLWestern Inflated Sedge Carex exsiccata OBLWestern Ironweed Vernonia baldwinii FACUWestern Jacob's-Ladder Polemonium occidentale FACWWestern Lady Fern Athyrium cyclosorum FACWestern Marsh Cudweed Gnaphalium palustre OBLWestern Moonwort Botrychium hesperium FACUWestern Moss-Heather Cassiope mertensiana FACUWestern Poison Ivy Toxicodendron rydbergii FACUWestern Quillwort Isoetes occidentalis OBLWestern Rock-Jasmine Androsace occidentalis FACUWestern Rough Sedge Carex senta OBLWestern Seepweed Suaeda occidentalis FACWWestern Snowberry Symphoricarpos occidentalis UPL

Western Teaberry Gaultheria ovatifolia FACWestern Thimble-Berry Rubus parviflorus FACUWestern Turkeybeard Xerophyllum tenax FACWestern Umbrella Sedge Fuirena simplex OBLWestern Water-Hemlock Cicuta douglasii OBLWestern Waterweed Elodea nuttallii OBLWestern-Wheat Grass Pascopyrum smithii FACUWheat Sedge Carex atherodes OBLWhip Nut-Rush Scleria triglomerata FACWhiplash Dewberry Rubus flagellaris UPLWhip-Poor-Will-Flower Trillium cernuum FACWhisk Fern Psilotum nudum FACWWhite Adder's-Mouth Orchid Malaxis monophyllos FACWWhite Arctic Mountain-Heather Cassiope tetragona FACUWhite Ash Fraxinus americana FACUWhite Avens Geum canadense FACWhite Beak Sedge Rhynchospora alba OBLWhite Blue-Eyed-Grass Sisyrinchium albidum FACUWhite Catchfly Silene menziesii UPLWhite Checkerbloom Sidalcea candida FACWhite Clover Trifolium repens FACUWhite Coil-Beak Lousewort Pedicularis contorta FACUWhite Colicroot Aletris farinosa FACWhite Crane's-Bill Geranium richardsonii FACWhite Crownbeard Verbesina virginica FACUWhite Doll's Daisy Boltonia asteroides FACWWhite Fen-Rose Kosteletzkya depressa FACWhite Fluff Grass Tridens albescens FACWhite Fringetree Chionanthus virginicus FACUWhite Grass Leersia virginica FACWWhite Heath American-Aster Symphyotrichum ericoides FACUWhite Horehound Marrubium vulgare FACUWhite Leadtree Leucaena leucocephala FACUWhite Mangrove Laguncularia racemosa FACWWhite Marsh-Marigold Caltha leptosepala OBLWhite Meadowsweet Spiraea alba FACWWhite Moth Mullein Verbascum blattaria UPLWhite Mountain Clover Trifolium neurophyllum FACWWhite Mountain-Avens Dryas integrifolia FACUWhite Mulberry Morus alba FACUWhite Nodding Ladies'-Tresses Spiranthes cernua FACWWhite Oldfield American-Aster Symphyotrichum pilosum FACUWhite Panicled American-Aster Symphyotrichum lanceolatum FACWWhite Rattlesnake-Root Nabalus albus FACUWhite River Coraldrops Besseya plantaginea FACWWhite Sagebrush Artemisia ludoviciana UPLWhite Snakeroot Ageratina altissima UPLWhite Spike-Rush Eleocharis albida OBLWhite Spruce Picea glauca FACUWhite Turtlehead Chelone glabra OBLWhite Twinevine Funastrum clausum FACWWhite Vervain Verbena urticifolia FACWhite Water-Crowfoot Ranunculus aquatilis OBLWhite Wild Indigo Baptisia alba FACUWhite Willow Salix alba FACWWhite-Edge Flat Sedge Cyperus flavicomus FACWhite-Edge Sedge Carex debilis OBLWhite-Flower Pincushion-Plant Navarretia leucocephala OBLWhite-Flower Willowherb Epilobium lactiflorum FACWWhite-Head Bogbutton Lachnocaulon anceps OBLWhite-Leaf Mountain-Mint Pycnanthemum albescens FACWhite-Mouth Dayflower Commelina erecta FACUWhite-Mustard Sinapis alba FACWhitenymph Trepocarpus aethusae FACW

White-Root Rush Juncus brachycarpus FACWWhitestar Ipomoea lacunosa FACWWhite-Stem Gooseberry Ribes inerme FACWWhite-Stem Pondweed Potamogeton praelongus OBLWhite-Stem Raspberry Rubus leucodermis FACWhite-Tinge Sedge Carex albicans FACUWhitish Gentian Gentiana algida FACWWhorled Locoweed Oxytropis splendens FACUWhorled Marsh-Pennywort Hydrocotyle verticillata OBLWhorled Milkweed Asclepias verticillata FACUWhorled Milkwort Polygala verticillata FACUWhorled Mountain-Mint Pycnanthemum verticillatum FACWWhorled Water-Milfoil Myriophyllum verticillatum OBLWhortle-Berry Vaccinium myrtillus UPLWidow Sedge Carex basiantha FACWWidow's-Cross Sedum pulchellum FACUWiegand's Wild Rye Elymus wiegandii FACWild Balsam-Apple Echinopepon wrightii FACWild Black Currant Ribes americanum FACWWild Blue Lettuce Lactuca biennis FACWild Blue Phlox Phlox divaricata FACUWild Chives Allium schoenoprasum FACUWild Cow-Pea Vigna luteola FACWWild Cucumber Echinocystis lobata FACWild Hydrangea Hydrangea arborescens FACUWild Leadwort Plumbago zeylanica FACWild Sarsaparilla Aralia nudicaulis FACUWild Tantan Desmanthus virgatus FACUWild Yam Dioscorea villosa FACWillow Oak Quercus phellos FACWWillow-Leaf American-Aster Symphyotrichum praealtum FACWWillow-Leaf Lettuce Lactuca saligna FACUWinaha Currant Ribes wolfii FACWing-Angle Loosestrife Lythrum alatum OBLWinged Dock Rumex spiralis FACWWinged Elm Ulmus alata FACUWinged Sumac Rhus copallinum UPLWinged-Pigweed Cycloloma atriplicifolium FACUWing-Leaf Primrose-Willow Ludwigia decurrens OBLWing-Leaf Soapberry Sapindus saponaria FACUWing-Pod Purslane Portulaca umbraticola FACWingstem Verbesina alternifolia FACWinter Bent Agrostis hyemalis FACWWire-Stem Muhly Muhlenbergia frondosa FACWWiry Blue-Eyed-Grass Sisyrinchium biforme FACWiry Panic Grass Panicum flexile FACWWolf's Spike-Rush Eleocharis wolfii OBLWoman's-Tongue Albizia lebbeck UPLWood Lily Lilium philadelphicum FACUWoodland Bittercress Cardamine flexuosa FACWWoodland Blue Grass Poa sylvestris FACWoodland Buttercup Ranunculus uncinatus FACWWoodland Flax Linum virginianum FACWoodland Forget-Me-Not Myosotis sylvatica FACUWoodland Grooveburr Agrimonia striata FACUWoodland Horsetail Equisetum sylvaticum FACWWoodland Lettuce Lactuca floridana FACWoodland Muhly Muhlenbergia sylvatica FACWWoodland Saxifrage Saxifraga mertensiana OBLWoodland Strawberry Fragaria vesca UPLWoodrush Flat Sedge Cyperus entrerianus FACWWoodrush Sedge Carex luzulina OBLWoods' Rose Rosa woodsii FACUWoolly Fimbry Fimbristylis tomentosa FACW

Woolly Groundsel Packera tomentosa FACUWoolly Pipevine Isotrema tomentosum FACWoolly Rosette Grass Dichanthelium scabriusculum OBLWoolly Sedge Carex pellita OBLWoolly-Fruit Sedge Carex lasiocarpa OBLWoolly-Leaf Burr-Ragweed Ambrosia grayi FACWorm-Seed Wallflower Erysimum cheiranthoides FACUWreath Goldenrod Solidago caesia FACUWright's Dropseed Sporobolus wrightii FACWright's Dwarf-Gentian Gentianella wrightii FACWWright's Eryngo Eryngium heterophyllum FACWright's False Willow Baccharis wrightii FACUWright's Morning-Glory Ipomoea wrightii FACWWright's Muhly Muhlenbergia wrightii FACUWright's Rabbit-Tobacco Pseudognaphalium canescens UPLWright's Spiderwort Tradescantia wrightii FACWWright's Thistle Cirsium wrightii OBLWrinkled Joint-Tail Grass Coelorachis rugosa FACWWrinkle-Leaf Goldenrod Solidago rugosa FACWych Elm Ulmus glabra FACUYankeeweed Eupatorium compositifolium FACUYard Knotweed Polygonum aviculare FACUYaupon Ilex vomitoria FACYaupon Black-Senna Seymeria cassioides FACYellow Avens Geum aleppicum FACUYellow Beeplant Peritoma lutea FACUYellow Birch Betula alleghaniensis FACUYellow Bluebead-Lily Clintonia borealis FACYellow Bractspike Yeatesia viridiflora FACWYellow Bristle Grass Setaria pumila FACUYellow Coralroot Corallorhiza trifida FACYellow Flat Sedge Cyperus flavescens OBLYellow Floatingheart Nymphoides peltata OBLYellow Fringed Orchid Platanthera ciliaris FACWYellow Fumewort Corydalis flavula FACUYellow Gentian Gentiana alba FACYellow Giant-Hyssop Agastache nepetoides FACUYellow Glandweed Parentucellia viscosa FACYellow Hedge-Hyssop Gratiola flava FACYellow Indian Grass Sorghastrum nutans FACUYellow Lady's-Slipper Cypripedium parviflorum FACWYellow Marsh Saxifrage Saxifraga hirculus OBLYellow Marsh-Marigold Caltha palustris OBLYellow Meadow-Beauty Rhexia lutea FACWYellow Mountain-Heath Phyllodoce glanduliflora FACUYellow Necklacepod Sophora tomentosa UPLYellow Nicker Caesalpinia bonduc FACUYellow Pincushion-Plant Navarretia breweri FACYellow Pond-Lily Nuphar advena OBLYellow Puff Neptunia lutea FACUYellow Scorpion-Grass Myosotis discolor FACUYellow Spike-Rush Eleocharis flavescens OBLYellow Sunnybell Schoenolirion croceum OBLYellow Sweet-Clover Melilotus officinalis FACUYellow Thistle Cirsium horridulum FACYellow Trout-Lily Erythronium rostratum FACYellow Trumpetbush Tecoma stans UPLYellow Wide-Lip Orchid Liparis loeselii OBLYellow Willow Salix lutea FACWYellowdicks Helenium amarum FACUYellow-Flower Knotweed Polygonum ramosissimum FACWYellow-Fruit Horse-Gentian Triosteum angustifolium FACYellow-Fruit Sedge Carex annectens FACWYellow-Green Sedge Carex flava OBL

Yellow-Seed False Pimpernel Lindernia dubia OBLYellow-Trumpets Sarracenia alata OBLYerba-Mansa Anemopsis californica FACWYew-Leaf Willow Salix exilifolia FACZarzabacoa-Comun Desmodium incanum FACZigzag Bladderwort Utricularia subulata OBLZigzag Goldenrod Solidago flexicaulis FACUZigzag Iris Iris brevicaulis OBLZigzag Knotweed Polygonum minimum FACZizotes Milkweed Asclepias oenotheroides FACU