Minnesota Plant List

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Number of results: 1828

Scientific Name Common Name(s)
Abies balsameaBalsam Fir
Abutilon theophrastiVelvet Leaf, Indian Mallow, Pie-marker
Acalypha rhomboideaThree-seeded Mercury, Rhombic Copperleaf
Acer ginnalaAmur Maple, Ginnala Maple
Acer negundoBoxelder, Ash-leaf Maple, Manitoba Maple
Acer nigrumBlack Maple
Acer platanoidesNorway Maple
Acer rubrumRed Maple
Acer saccharinumSilver Maple
Acer saccharumSugar Maple
Acer spicatumMountain Maple
Acer X freemaniiFreeman Maple
Achillea alpinaSiberian Yarrow, Chinese Yarrow, Alpine Yarrow
Achillea millefoliumCommon Yarrow
Achillea ptarmicaSneezewort, Sneezeweed, Pearly Yarrow
Achnatherum hymenoidesIndian Rice Grass, Indian Mountain Ricegrass
Acorus americanusSweet-flag
Actaea pachypodaWhite Baneberry, Doll's-eyes
Actaea rubraRed Baneberry
Adiantum pedatumMaidenhair Fern, Northern Maidenhair
Adlumia fungosaAllegheny Vine, Climbing Fumitory, Mountain Fringe
Adoxa moschatellinaMoschatel, Musk-root
Aegopodium podagrariaGoutweed, Bishop's Goutweed, Snow-on-the-mountain
Aesculus glabraOhio Buckeye
Aesculus hippocastanumHorse Chestnut
Aethusa cynapiumFool's Parsley
Agalinis asperaRough False Foxglove, Rough Purple False Foxglove, Rough Gerardia
Agalinis auriculataEarleaf False Foxglove, Eared False Foxglove
Agalinis gattingeriRound-stemmed False Foxglove, Gattinger's Gerardia
Agalinis pauperculaSmall-flower False Foxglove, Small-flowered Gerardia, Small-flowered Agalinis, Smooth False Foxglove
Agalinis purpureaPurple False Foxglove, Purple Gerardia, Purple Agalinis
Agalinis tenuifoliaSlender-leaved False Foxglove, Slender Gerardia, Slender Agalinis, Common False Foxglove
Agastache foeniculumBlue Giant Hyssop, Lavender Hyssop, Anise Hyssop
Agastache nepetoidesYellow Giant Hyssop, Catnip Giant Hyssop
Agastache scrophulariifoliaPurple Giant Hyssop
Ageratina altissimaWhite Snakeroot
Agoseris glaucaFalse Dandelion, Pale Agoseris, Pale Goat Chicory, Prairie Dandelion
Agrimonia gryposepalaTall Hairy Agrimony, Tall Agrimony, Common Agrimony, Tall Hairy Groovebur
Agrimonia pubescensDowny Agrimony, Soft Agrimony, Soft Groovebur
Agrimonia striataRoadside Agrimony, Woodland Agrimony, Woodland Grooveburr
Agropyron cristatumCrested Wheatgrass
Agrostis giganteaRedtop, Black Bent Grass
Agrostis perennansAutumn Bentgrass, Upland Bentgrass
Agrostis scabraRough Bentgrass, Ticklegrass
Agrostis stoloniferaCreeping Bentgrass, Spreading Bentgrass, Redtop
Alisma gramineumNarrow-leaved Water Plantain
Alisma trivialeNorthern Water Plantain, Large-flowered Water Plantain
Alliaria petiolataGarlic Mustard
Allium burdickiiNarrow-leaf Wild Leek, Burdick's Leek, Narrow-leaf Ramps
Allium canadenseWild Garlic, Meadow Garlic
Allium cernuumNodding Wild Onion
Allium schoenoprasumWild Chives
Allium stellatumPrairie Onion, Autumn Onion, Pink Wild Onion, Prairie Wild Onion
Allium textileWhite Wild Onion, Textile Onion
Allium tricoccumWild Leek, Ramps, Three-seeded Leek
Allium tuberosumChinese Chives, Garlic Chives
Alnus incanaSpeckled Alder, Grey Alder
Alnus viridisGreen Alder, Mountain Alder
Alopecurus aequalisShortawn Foxtail, Orange Foxtail, Short-awn Meadow-Foxtail
Alopecurus arundinaceusCreeping Foxtail, Creeping Meadow-Foxtail
Alopecurus carolinianusCarolina Foxtail, Tufted Meadow-Foxtail
Alopecurus pratensisMeadow Foxtail, Field Meadow-Foxtail
Amaranthus albusTumbleweed Amaranth, Tumble Pigweed, White Amaranth
Amaranthus blitoidesProstrate Pigweed, Mat Amaranth, Spreading Amaranth
Amaranthus retroflexusRedroot Pigweed, Redroot Amaranth, Rough Pigweed, Green Pigweed
Amaranthus tuberculatusRough-fruited Waterhemp, Rough-fruited Amaranth, Tall Water-hemp, Common Waterhemp, Tubercled Amaranth
Ambrosia artemisiifoliaCommon Ragweed, Annual Ragweed
Ambrosia psilostachyaWestern Ragweed, Cuman Ragweed
Ambrosia trifidaGiant Ragweed, Great Ragweed, Horseweed
Amelanchier arboreaDowny Serviceberry, Downy Shadbush, Common Serviceberry
Amelanchier bartramianaMountain Serviceberry, Mountain Juneberry, Bartram's Shadbush, Oblongfruit Serviceberry, Northern Juneberry
Amelanchier interiorInland Serviceberry, Inland Shadbush, Inland Juneberry, Pacific Serviceberry
Amelanchier laevisSmooth Serviceberry, Smooth Shadbush, Allegheny Serviceberry, Smooth Juneberry
Amerorchis rotundifoliaSmall Round-leaved Orchid, Round-leaved Orchis
Ammannia robustaGrand Redstem, Grand Ammannia, Scarlet Loosestrife, Sessile Toothcup
Ammophila breviligulataAmerican Beach Grass
Amorpha canescensLead Plant, Shoestrings
Amorpha fruticosaFalse Indigo, Desert False Indigo, Bastard Indigo
Amorpha nanaFragrant False Indigo, Dwarf False Indigo, Dwarf Lead Plant, Smooth Lead Plant, Fragrant Indigo-bush
Amphicarpaea bracteataAmerican Hog Peanut
Anaphalis margaritaceaPearly Everlasting, Large-flowered Everlasting
Andromeda polifoliaBog Rosemary
Andropogon gerardiiBig Bluestem, Turkey-foot
Androsace occidentalisWestern Rock Jasmine, Western androsace
Androsace septentrionalisNorthern Androsace, Northern Fairy Candelabra, Pygmy-flower Rock Jasmine
Anemone acutilobaSharp-lobed Hepatica, Liverwort, Liverleaf
Anemone americanaRound-lobed Hepatica, Liverleaf, Liverwort
Anemone canadensisCanada Anemone
Anemone carolinianaCarolina anemone, Carolina Thimbleweed
Anemone cylindricaThimbleweed, Long-fruited Thimbleweed, Long-headed Anemone, Candle Anemone, Cottenweed
Anemone patensAmerican Pasqueflower, Eastern Pasque Flower, Prairie Crocus, Cutleaf Anemone
Anemone quinquefoliaWood Anemone, Nightcaps
Anemone virginianaTall Thimbleweed, Virginia Anemone
Angelica atropurpureaAngelica, Great Angelica, Purple-stemmed Angelica
Antennaria howelliiHowell's Pussytoes, Small Pussytoes
Antennaria microphyllaTiny-leaved Pussytoes, Little-leaf Pussytoes, Rosy Pussytoes
Antennaria neglectaField Pussytoes
Antennaria parliniiParlin's Pussytoes, Smooth Pussytoes
Antennaria parvifoliaSmall-leaved Pussytoes, Nuttall's Pussytoes
Antennaria plantaginifoliaPlantain-leaved Pussytoes, Woman's Tobacco, Plain-leaf Pussytoes
Anthemis cotulaDog Fennel, Stinking Chamomile, Mayweed
Anthoxanthum hirtumSweetgrass, Northern Sweet Grass, Vanilla Grass
Anthoxanthum odoratumSweet Vernal Grass
Anthriscus sylvestrisWild Chervil, Cow Parsley
Apios americanaGroundnut, American Potato-bean, Indian Potato
Aplectrum hyemalePutty-root, Adam and Eve
Apocynum androsaemifoliumSpreading Dogbane
Apocynum cannabinumIndian Hemp, Prairie Dogbane, Hemp Dogbane
Aquilegia canadensisRed Columbine, Wild Columbine
Arabidopsis lyrataLyre-leaved Rock Cress, Lyrate Rockcress, Sand Cress, Harp-leaf Rockcress
Arabidopsis thalianaMouse-ear Cress, Thale Cress
Arabis pycnocarpaHairy Rock Cress, Cream-flower Rock-cress
Aralia hispidaBristly Sarsaparilla
Aralia nudicaulisWild Sarsaparilla
Aralia racemosaSpikenard, American Spikenard
Arceuthobium pusillumEastern Dwarf Mistletoe
Arctium lappaGreat Burdock
Arctium minusCommon Burdock, Lesser Burdock
Arctium tomentosumWoolly Burdock
Arctostaphylos uva-ursiBearberry, Kinnikinnick
Arenaria serpyllifoliaThyme-leaved Sandwort
Arethusa bulbosaDragon's Mouth, Swamp Pink
Arisaema dracontiumGreen Dragon
Arisaema triphyllumJack-in-the-Pulpit, Indian Turnip
Aristida basirameaForked Three-awn, Fork-tipped Three-awn, Base-branched Three-awn
Aristida dichotomaChurchmouse Three-awn, Poverty Grass, Poverty Three-awn, Shinner's Three-awn
Aristida longespicaSlimspike Three-awn, Red Three-awn
Aristida purpureaPurple Three-awn, Red Three-awn
Aristida tuberculosaSeaside Three-awn
Armoracia rusticanaHorseradish
Arnica lonchophyllaLong-leaf Arnica, Northern Arnica
Arnoglossum plantagineumTuberous Indian Plantain, Prairie Indian Plantain, Groovestem Indian Plantain
Arnoglossum reniformeGreat Indian Plantain
Aronia melanocarpaBlack Chokeberry
Artemisia absinthiumAbsinthium, Absinthe Wormwood
Artemisia biennisBiennial Wormwood
Artemisia campestrisField Sagewort, Tall Wormwood
Artemisia dracunculusTarragon
Artemisia frigidaPrairie Sagewort, Sage Wormwood, Fringed Sagewort
Artemisia ludovicianaWhite Sage, White Sagebrush, Prairie Sage, Western Mugwort
Artemisia serrataSaw-tooth Wormwood, Leafy Mugwort, Toothed Sagewort, Saw-leaf Mugwort
Artemisia vulgarisCommon Mugwort, Common Wormwood
Asarum canadenseCanadian Wild Ginger
Asclepias amplexicaulisClasping Milkweed, Blunt-leaved Milkweed, Sand Milkweed
Asclepias exaltataPoke Milkweed, Tall Milkweed
Asclepias hirtellaPrairie Milkweed, Tall Green Milkweed
Asclepias incarnataSwamp Milkweed, Swamp Silkweed
Asclepias lanuginosaWoolly Milkweed, Side-cluster Milkweed
Asclepias ovalifoliaOval-leaf Milkweed, Dwarf Milkweed
Asclepias purpurascensPurple Milkweed
Asclepias speciosaShowy Milkweed
Asclepias stenophyllaNarrow-leaved Milkweed, Slimleaf Milkweed
Asclepias sullivantiiSullivant's Milkweed, Smooth Milkweed, Prairie Milkweed
Asclepias syriacaCommon Milkweed, Silkweed, Milkplant
Asclepias tuberosaButterfly-weed, Butterfly Milkweed
Asclepias verticillataWhorled Milkweed
Asclepias viridifloraGreen Milkweed, Green Comet Milkweed
Asparagus officinalisGarden Asparagus, Common Asparagus
Asplenium platyneuronEbony Spleenwort
Asplenium rhizophyllumWalking Fern
Asplenium trichomanesMaidenhair Spleenwort
Astragalus adsurgensPrairie Milkvetch, Standing Milk-vetch, Lavender Milk-vetch
Astragalus agrestisField Milkvetch, Purple Milk-vetch
Astragalus alpinusAlpine Milkvetch
Astragalus canadensisCanada Milkvetch, Canadian Milk-vetch
Astragalus cicerChickpea Milk-vetch, Cicer Milkvetch
Astragalus crassicarpusGround Plum, Prairie Plum, Groundplum Milkvetch, Buffalo Bean
Astragalus flexuosusSlender Milkvetch, Flexile Milkvetch
Astragalus lotiflorusLotus Milkvetch, Low Milk-vetch
Astragalus missouriensisMissouri Milkvetch
Astragalus neglectusCooper's Milkvetch
Astragalus racemosusCream Milkvetch, Racemose Milkvetch, Alkali Milkvetch, Creamy Poison-vetch, Alkali Poison-vetch
Athyrium Filix-feminaLady Fern
Aureolaria pediculariaFern-leaf False Foxglove
Avena sativaCultivated Oats, Common Oats
Avenula hookeriSpike-oat, Hooker's Oat Grass
Avenula pubescensDowny Oat Grass, Downy Alpine Oat-grass
Azolla microphyllaMexican Mosquito Fern, Mexican Water-fern, Floating Fern
Bacopa rotundifoliaWater-hyssop, Disk Water-hyssop, Round-leaf Water-hyssop
Baptisia bracteataPlains Wild Indigo, Cream Wild Indigo, Cream False Indigo, Long-bract Wild Indigo
Baptisia lacteaWhite Wild Indigo, White False Indigo, Large-leaf Wild Indigo
Barbarea orthocerasAmerican Yellow Rocket, American Winter Cress, Northern Winter-cress
Barbarea vulgarisGarden Yellow Rocket, Winter Cress, Yellow-rocket
Bartonia virginicaYellow Bartonia, Virginia Bartonia, Yellow Screw-stem
Bassia scopariaSummer Cypress, Mexican Fireweed, Common Kochia, Burning Bush
Beckmannia syzigachneAmerican Slough Grass
Berberis thunbergiiJapanese Barberry
Berteroa incanaHoary Alyssum, Hoary False Madwort
Berula erectaCut-leaf Water Parsnip, Stream Parsnip
Besseya bulliiKittentails, Bull's Coraldrops
Betula alleghaniensisYellow Birch
Betula cordifoliaHeart-leaved Birch, Mountain White Birch
Betula nigraRiver Birch
Betula papyriferaPaper Birch, White Birch
Betula pumilaBog Birch, Dwarf Birch
Bidens beckiiWater Marigold, Beck's Water Marigold, Beck's Marsh Marigold
Bidens cernuaNodding Bur-Marigold, Nodding Beggarticks
Bidens connataPurple-stem Beggarticks, Swamp Beggarticks
Bidens discoideaDiscoid Beggarticks, Swamp Beggarticks
Bidens frondosaDevil's Beggarticks, Leafy Beggarticks, Devil's Pitchfork
Bidens trichospermaCrowned Beggarticks, Northern Tickseed-sunflower, Tall Tickseed-sunflower, Tall Swamp Marigold
Bidens tripartitaThree-lobed Beggarticks, Straw-stem Beggarticks, Leafy-bracted Beggarticks
Bidens vulgataBig Devil's Beggarticks, Tall Beggarticks, Common Beggarticks
Bistorta viviparaAlpine Bistort
Blephilia hirsutaHairy Woodmint, Hairy Pagoda Plant
Boechera canadensisSickle-pod, Canadian Rockcress
Boechera collinsiiCollins' Rock Cress
Boechera dentataToothed Rock Cress, Short's Rock Cress, Stellate Rock Cress
Boechera grahamiiSpreading-pod Rock Cress, Purple Rockcress
Boechera laevigataSmooth Rock Cress
Boechera strictaDrummond's Rock Cress, Canada Rockcress
Boehmeria cylindricaSmall-spike False Nettle
Bolboschoenus fluviatilisRiver Bulrush, River Bulsedge
Bolboschoenus maritimusPrairie Bulrush, Cosmopolitan Bulrush, Sea Clubrush, Saltmarsh Bulrush
Boltonia asteroidesFalse Aster, White Doll's Eyes, White Doll's Daisy
Botrychium angustisegmentumNarrow Triangle Moonwort, Lance-leaved Moonwort
Botrychium matricariifoliumMatricary Grapefern, Daisy-leaved Moonwort
Botrychium michiganenseMichigan Moonwort
Botrypus virginianusRattlesnake Fern
Bouteloua curtipendulaSide-oats Grama
Bouteloua gracilisBlue Grama
Bouteloua hirsutaHairy Grama
Brachyelytrum aristosumNorthern Shorthusk
Brachyelytrum erectumBearded Shorthusk, Long-awned Wood Grass, Southern Shorthusk
Brasenia schreberiWater-shield
Brassica nigraBlack Mustard
Brassica rapaField Mustard, Turnip Rape, Wild Mustard, Bird's-rape
Brickellia eupatorioidesFalse Boneset
Bromus ciliatusFringed Brome
Bromus inermisSmooth Brome
Bromus japonicusJapanese Brome
Bromus kalmiiKalm's Brome, Prairie Brome, Arctic Brome
Bromus latiglumisEarlyleaf Brome, Ear-leaved Brome, Broad-glumed Brome, Flanged Brome
Bromus pubescensHairy Woodland Brome, Canada Brome, Hairy Wood Chess, Hairy Brome
Bromus tectorumCheatgrass, Downy Brome, Downy Chess
Buchloe dactyloidesBuffalo Grass
Bulbostylis capillarisDense-tuft Hairsedge, Tufted Hairsedge
Butomus umbellatusFlowering Rush
Calamagrostis canadensisCanada Bluejoint, Bluejoint Reedgrass
Calamagrostis montanensisPlains Reedgrass
Calamagrostis purpurascensPurple Reedgrass
Calamagrostis strictaSlimstem Reedgrass, Northern Reedgrass, Neglected Reedgrass
Calamovilfa longifoliaSand Reed Grass, Prairie Sandreed
Calla palustrisWild Calla, Water Arum
Callirhoe triangulataClustered Poppy-mallow
Callitriche palustrisVernal Water-starwort, Spring Water-starwort, Narrow-fruited Water-starwort, Common Water-starwort
Calopogon oklahomensisOklahoma Grass-pink
Calopogon tuberosusTuberous Grass-pink
Caltha natansFloating Marsh Marigold
Caltha palustrisMarsh Marigold, Cowslips
Calypso bulbosa var. americanaFairy Slipper, Calypso Orchid
Calystegia sepiumHedge Bindweed, Hedge False Bindweed
Calystegia spithamaeaLow False Bindweed, Upright Bindweed, Erect Bindweed
Camelina microcarpaSmall-seeded False Flax, Littlepod False Flax
Camelina sativaLarge-seeded False Flax, Gold-of-Pleasure
Campanula aparinoidesMarsh Bellflower, Bedstraw Bellflower
Campanula cervicariaBristly Bellflower, Bristly Bluebells
Campanula rapunculoidesCreeping Bellflower, Rampion Bellflower, European Bellflower
Campanula rotundifoliaHarebell, Bluebell Bellflower, Bluebells of Scotland
Campanulastrum americanumAmerican Bellflower, Tall Bellflower
Canadanthus modestusModest Aster, Great Northern Aster, Giant Mountain Aster, Northwestern Sticky Aster
Cannabis sativaHemp, Ditchweed, Marijuana
Capsella bursa-pastorisShepherd's Purse
Caragana arborescensSiberian Peashrub, Siberian Pea Tree
Cardamine bulbosaSpring Cress, Bulbous Bittercress
Cardamine concatenataCutleaf Toothwort
Cardamine impatiensNarrow-leaf Bittercress, Bushy Rockcress
Cardamine parvifloraSmall-flowered Bittercress, Sand Bittercress, Dry-land Bittercress
Cardamine pensylvanicaPennsylvania Bittercress
Cardamine pratensisCuckoo Flower
Carduus acanthoidesPlumeless Thistle, Spiny Plumeless Thistle
Carduus nutansNodding Thistle, Nodding Plumeless Thistle, Musk Thistle
Carex albursinaWhite Bear Sedge, Blunt-scaled Wood Sedge
Carex alopecoideaFoxtail Sedge
Carex annectensYellow-fruit Sedge, Yellow Fox Sedge
Carex aquatilisWater Sedge, Aquatic Sedge
Carex arctaNorthern Clustered Sedge
Carex arctataDrooping Wood Sedge
Carex assiniboinensisAssiniboine Sedge, Assiniboia Sedge
Carex atherodesSlough Sedge, Wheat Sedge, Awned Sedge, Hairy-leaved Lake Sedge
Carex aureaGolden-fruited Sedge
Carex backiiBack's Sedge
Carex bebbiiBebb's Sedge
Carex bicknelliiBicknell's Sedge, Copper-shouldered Oval Sedge
Carex blandaCommon Woodland Sedge, Charming Sedge
Carex breviorShort-beak Sedge, Short Sedge
Carex bromoidesBrome-like Sedge
Carex brunnescensBrownish Sedge, Green Bog Sedge
Carex buxbaumiiBuxbaum's Sedge, Brown Bog Sedge
Carex canescensSilvery Sedge, White Sedge
Carex capillarisHair-like Sedge
Carex careyanaCarey's Sedge
Carex castaneaChestnut Sedge
Carex cephaloideaThin-leaf Sedge, Cluster-bracted Sedge
Carex cephalophoraOval-headed Sedge, Oval-leaf Sedge, Short-headed Bracted Sedge
Carex chordorrhizaCreeping Sedge, String-root Sedge
Carex communisFibrous-root Sedge, Colonial Sedge
Carex comosaBristly Sedge, Long-hair Sedge, Bottlebrush Sedge
Carex conjunctaSoft Fox Sedge, Jointed Sedge
Carex conoideaOpenfield Sedge, Field Sedge, Prairie Gray Sedge
Carex craweiCrawe's Sedge
Carex crawfordiiCrawford's Sedge, Early Fen Sedge
Carex crinitaFringed Sedge
Carex cristatellaCrested Sedge, Crested Oval Sedge
Carex crus-corviRaven's-foot Sedge
Carex cryptolepisNortheastern Sedge, Small Yellow Sedge, Crypitc Sedge, Secretive Sedge
Carex davisiiDavis' Sedge
Carex debilisWeak Sedge, White-edge Sedge
Carex deflexaNorthern Sedge
Carex deweyanaDewey's Sedge, Round-fruited Short-scaled Sedge
Carex diandraLesser Panicled Sedge, Lesser Tussock Sedge
Carex dispermaSoft-leaf Sedge, Two-seeded Sedge
Carex duriusculaNeedleleaf Sedge, Spike-rush Sedge
Carex eburneaIvory Sedge, Bristleleaf Sedge
Carex echinataStar Sedge, Little Prickly Sedge, Slender Sedge
Carex echinodesMarsh Straw Sedge, Pointed Quill Sedge
Carex emoryiEmory's Sedge, Riverbank Sedge
Carex exilisCoastal Sedge
Carex filifoliaThread-leaf Sedge
Carex flavaYellow Sedge, Yellow-green Sedge
Carex foeneaStraw Sedge, Hay Sedge, Bronze-Head Oval Sedge, Dry-spike Sedge, Bronze Sedge
Carex formosaHandsome Sedge
Carex garberiElk Sedge, Garber's Sedge
Carex gracillimaGraceful Sedge
Carex granularisLimestone Meadow Sedge, Meadow Sedge, Granular Sedge, Pale Sedge
Carex gravidaHeavy Sedge, Heavy-fruited Sedge, Long-awned Bracted Sedge
Carex grayiGray's Sedge, Common Bur Sedge, Morning Star Sedge
Carex griseaWood Gray Sedge, Inflated Narrow-leaf Sedge, Ambiguous Sedge
Carex gynandraNodding Sedge
Carex gynocratesNorthern Bog Sedge, Feminine Sedge
Carex halliiHall's Sedge, Deer Sedge
Carex haydeniiHayden's Sedge, Cloud Sedge
Carex hirtifoliaHairy Wood Sedge, Pubescent Sedge, Hairy-leaved Sedge, Hairy Sedge
Carex hitchcockianaHitchcock's Sedge
Carex hookeranaHooker's Sedge
Carex houghtonianaHoughton's Sedge
Carex hystericinaPorcupine Sedge, Bottlebrush Sedge
Carex inopsSun-loving Sedge, Long-stolon Sedge, Sun Sedge
Carex interiorInland Sedge
Carex intumescensGreater Bladder Sedge, Bladder Sedge, Shining Bur Sedge
Carex jamesiiJames' Sedge
Carex lacustrisLake Sedge, Hairy Sedge, Lake-bank Sedge, Ripgut Sedge
Carex laeviconicaSmooth-cone Sedge, Plains Slough Sedge, Long-tooth Lake Sedge
Carex laevivaginataSmooth-sheathed Sedge
Carex lasiocarpaWiregrass Sedge, Fen Wiregrass Sedge, Woolly-fruited Sedge
Carex laxiculmisSpreading Sedge, Creeping Sedge, Loose-culmed Sedge
Carex lenticularisLakeshore Sedge, Shore Sedge, Lenticular Sedge
Carex leptaleaBristle-stalked Sedge
Carex leptonerviaNerveless Woodland Sedge, Fine-nerved Sedge
Carex limosaMud Sedge, Bog Sedge, Shore Sedge, Candle-lantern sedge
Carex lividaLivid Sedge, Pale Sedge, Lead-colored Sedge
Carex lupulinaCommon Hop Sedge
Carex magellanicaPoor Sedge, Bog Sedge, Boreal Bog Sedge
Carex meadiiMead's Sedge
Carex mediaIntermediate Sedge, Close-headed Sedge, Norway Sedge, Scandanavian Sedge
Carex merritt-fernaldiiFernald's Sedge
Carex michauxianaMichaux's Sedge
Carex molestaTroublesome Sedge
Carex muehlenbergiiMuhlenberg's Sedge, Sand Sedge
Carex muskingumensisMuskingum Sedge, Palm Sedge
Carex novae-angliaeNew England Sedge
Carex obtusataBlunt Sedge, Obtuse Sedge
Carex oligocarpaFew-fruited Sedge, Eastern Few-fruit Sedge, Rich Woods Sedge, Sparse-fruit Sedge
Carex oligospermaFew-seeded Sedge, Bog Wiregrass Sedge
Carex ormostachyaNecklace Spike Sedge, Necklace Sedge
Carex pallescensPale Sedge
Carex paucifloraFew-flowered Sedge
Carex peckiiPeck's Sedge
Carex pedunculataLong-stalked Sedge
Carex pellitaWoolly Sedge
Carex pensylvanicaPennsylvania Sedge
Carex plantagineaPlantain-leaved Sedge, Seersucker Sedge
Carex praegracilisClustered Field Sedge, Freeway Sedge, Very Slender Sedge
Carex praireaPrairie Sedge
Carex praticolaNorthern Meadow Sedge, Prairie-dweller Sedge
Carex projectaNecklace Sedge
Carex pseudocyperusCyperus-like Sedge, False Bristly Sedge
Carex radiataEastern Star Sedge, Straight-styled Wood Sedge
Carex retrorsaRetrorse Sedge, Knotsheath Sedge, Deflexed Bottlebrush Sedge
Carex richardsoniiRichardson's Sedge
Carex roseaRosy Sedge, Starry Sedge, Curly-style Star Sedge
Carex rossiiRoss' Sedge
Carex rostrataBeaked Sedge, Glaucus Beaked Sedge, Bottle Sedge
Carex sartwelliiSartwell's Sedge, Running Marsh Sedge
Carex saximontanaRocky Mountain Sedge
Carex scirpoideaNorthern Single-spike Sedge, Canadian Single-spike Sedge, Bulrush Sedge
Carex scopariaPointed Broom Sedge, Broom Sedge, Lance-fruited Oval Sedge
Carex siccataDry-spike Sedge, Running Prairie Sedge
Carex sparganioidesBur-reed Sedge, Thin-leaved Sedge
Carex sprengeliiSprengel's Sedge, Long-beaked Sedge
Carex sterilisSterile Sedge, Dioecious Sedge
Carex stipataAwl-fruited Sedge, Common Fox Sedge, Prickly Sedge, Spongy Sedge, Stalk-grained Sedge
Carex strictaTussock Sedge, Upright Sedge
Carex sychnocephalaMany-headed Sedge
Carex teneraQuill Sedge, Delicate Quill Sedge, Marsh Straw Sedge
Carex tenuifloraSparse-flowered Sedge, Thin-flowered Sedge
Carex tetanicaRigid Sedge
Carex tonsaShaved Sedge
Carex torreyiTorrey's Sedge
Carex tribuloidesBlunt Broom Sedge, Awl-fruited Oval Sedge
Carex trichocarpaHairy-fruited Sedge
Carex trispermaThree-seeded Sedge
Carex tuckermaniiTuckerman's Sedge
Carex typhinaCattail Sedge
Carex umbellataParasol Sedge
Carex utriculataCommon Beaked Sedge, Northwest Territory Sedge, Swollen Beaked Sedge, Common Yellow Lake Sedge
Carex vaginataSheathed Sedge
Carex vesicariaBlister Sedge, Inflated Sedge, Lesser Bladder Sedge, Tufted Lake Sedge
Carex viridulaLittle Green Sedge
Carex vulpinoideaFox Sedge, Brown Fox Sedge, Common Fox Sedge
Carex woodiiPretty Sedge, Wood's Sedge
Carex xeranticaWhitescale Sedge, Dry Sedge, Dry-land Sedge
Carpinus carolinianaBlue Beech, Musclewood, American Hornbeam, Ironwood
Carum carviCaraway
Carya cordiformisBitternut Hickory, Yellow-bud Hickory
Carya ovataShagbark Hickory
Castilleja coccineaIndian Paintbrush, Scarlet Painted-cup
Castilleja septentrionalisNorthern Paintbrush, Northern Painted-cup, Labrador Indian Paintbrush, Sulpher Indian Paintbrush, Pale Indian Paintbrush, Pale Painted-cup
Castilleja sessilifloraDowny Painted-cup, Downy Paintbrush, Yellow Painted-cup
Catalpa speciosaNorthern Catalpa, Cigar Tree
Caulophyllum thalictroidesBlue Cohosh, Pappoose-root, Squaw-root
Ceanothus americanusNew Jersey Tea, Redroot, Wild Snowball
Ceanothus herbaceusNarrow-leaved New Jersey Tea, Prairie Redroot
Celastrus orbiculatusRound-leaf Bittersweet, Oriental Bittersweet, Asian Bittersweet
Celastrus scandensAmerican Bittersweet, Climbing Bittersweet
Celtis occidentalisHackberry, Northern Hackberry, Common Hackberry
Cenchrus longispinusSandbur, Mat Sandbur, Common Sandbur
Centaurea cyanusCornflower, Bachelor's Buttons, Bluebottle, Garden Knapweed
Centaurea jaceaBrown Knapweed
Centaurea montanaPerennial Cornflower, Mountain Cornflower, Mountain Bluet, Bachelor's Button
Centaurea nigrescensAlpine Knapweed
Centaurea solstitialisYellow Starthistle, St. Barbaby's Thistle, Yellow Knapweed
Centaurea stoebeSpotted Knapweed
Centaurea X moncktoniiMeadow Knapweed
Centaurium pulchellumBranching Centaury, Lesser Centaury
Cephalanthus occidentalisButtonbush
Cerastium arvenseField Chickweed
Cerastium brachypodumShort-stalked Chickweed, Short-stalk Mouse-ear Chickweed, Western Chickweed
Cerastium fontanumMouse-ear Chickweed, Big Chickweed
Cerastium nutansNodding Chickweed, Nodding Mouse-ear Chickweed
Ceratophyllum demersumCommon Coontail, Coon's-tail, Hornwort
Ceratophyllum echinatumSpiny Coontail, Spineless Hornwort, Prickly Hornwort
Chaenorhinum minusDwarf Snapdragon
Chaiturus marrubiastrumFalse Motherwort, Horehound Motherwort
Chamaecrista fasciculataPartridge Pea, Showy Partridge Pea
Chamaedaphne calyculataLeather-leaf
Chamaenerion angustifoliumFireweed, Rosebay, Great Willowherb
Chamaerhodos erectaNuttall's Groundrose, Nuttall's Rock-rose, Nuttall's Little Rose
Chelidonium majusCelandine, Greater Celandine
Chelone glabraWhite Turtlehead
Chenopodium albumLamb's-quarters, Pigweed, Fat Hen
Chenopodium berlandieriPitseed Goosefoot, Berlandier's Goosefoot, Pigweed
Chenopodium capitatumStrawberry Blite, Blite Goosefoot, Strawberry Spinach
Chenopodium glaucumOak-leaved Goosefoot
Chenopodium pratericolaDesert Goosefoot, Narrow-leaved Goosefoot
Chenopodium rubrumRed Goosefoot
Chenopodium simplexMaple-leaf Goosefoot, Giant-seed Goosefoot
Chenopodium standleyanumWoodland Goosefoot, Standley's Goosefoot
Chimaphila umbellataPipsissewa, Prince's-pine
Chrysosplenium americanumAmerican Golden Saxifrage, Water Mat, Water Carpet
Chrysosplenium iowenseIowa Golden Saxifrage
Cichorium intybusChicory, Blue Sailors, Wild Succory, Blue Dandelion
Cicuta bulbiferaBulblet-bearing Water Hemlock
Cicuta maculataWater Hemlock, Spotted Water Hemlock, Spotted Cowbane
Cinna arundinaceaSweet Woodreed, Stout Woodreed, Wood-reed Grass
Cinna latifoliaDrooping Woodreed, Slender Woodreed, Sweet Reed Grass
Circaea alpinaAlpine Enchanter's Nightshade, Small Enchanter's Nightshade, Dwarf Enchanter's Nightshade
Circaea canadensisEnchanter's Nightshade, Broadleaf Enchanter's Nightshade
Cirsium altissimumTall Thistle, Roadside Thistle
Cirsium arvenseCanada Thistle, Field Thistle
Cirsium discolorField Thistle, Pasture Thistle
Cirsium flodmaniiFlodman's Thistle, Hollow-root Thistle, Prairie Thistle
Cirsium muticumSwamp Thistle
Cirsium palustreMarsh Thistle, European Swamp Thistle, Marsh Plume Thistle
Cirsium pumilum var. hilliiHill's Thistle, Hollow-root Thistle
Cirsium vulgareBull Thistle
Cladium mariscoidesSmooth Sawgrass, Twig Rush
Claytonia carolinianaCarolina Spring Beauty, Northern Spring Beauty
Claytonia virginicaVirginia Spring Beauty
Claytosmunda claytonianaInterrupted Fern
Clematis occidentalisPurple Clematis, Purple Virgin's Bower
Clematis virginianaVirgin's Bower, Devil's Darning Needles
Clinopodium vulgareWild Basil, Field Basil
Clintonia borealisBluebead, Yellow Bluebead Lily, Yellow Clintonia, Corn Lily
Coeloglossum virideLong-bract Frog Orchid, Long-bracted Orchid
Collomia linearisTiny Trumpet, Narrow-leaf Mountain Trumpet, Slender-leaf Collomia
Comandra umbellataBastard Toadflax
Comarum palustreMarsh Cinquefoil, Purple Marshlocks, Purple Cinquefoil
Commelina communisAsiatic Dayflower
Commelina erectaSlender Dayflower
Comptonia peregrinaSweet-fern
Conium maculatumPoison Hemlock
Convallaria majalisEuropean Lily-of-the-valley
Convolvulus arvensisField Bindweed
Conyza canadensisCanadian Horseweed, Canada Fleabane
Coptis trifoliaThree-leaf Goldthread
Corallorhiza maculata var. maculataSpotted Coralroot, Summer Coralroot
Corallorhiza maculata var. occidentalisWestern Spotted Coralroot
Corallorhiza odontorhizaAutumn Coralroot, Late Coralroot
Corallorhiza striataStriped Coralroot, Hooded Coralroot
Corallorhiza trifidaEarly Coralroot, Spring Coralroot, Yellow Coralroot, Northern Coralroot
Coreopsis lanceolataLanceleaf Coreopsis, Lance-leaf Tickseed, Sand Coreopsis
Coreopsis palmataPrairie Coreopsis, Stiff Tickseed, Finger Coreopsis
Coreopsis tinctoriaPlains Coreopsis, Golden Tickseed, Calliopsis
Cornus alternifoliaPagoda Dogwood, Alternate-leaved Dogwood
Cornus amomumSilky Dogwood, Pale Dogwood, Swamp Dogwood
Cornus canadensisBunchberry, Bunchberry Dogwood, Creeping Dogwood
Cornus racemosaGray Dogwood
Cornus rugosaRound-leaved Dogwood
Cornus sericeaRed-osier Dogwood
Corydalis aureaGolden Corydalis, Scrambled Eggs
Corydalis micranthaSlender Fumewort, Smallflower Corydalis
Corydalis sempervirensPale Corydalis, Rock Harlequin, Pink Corydalis
Corylus americanaAmerican Hazelnut
Corylus cornutaBeaked Hazelnut
Coryphantha viviparaPincushion Cactus, Spiny-star
Crataegus chrysocarpaFireberry Hawthorn, Round-leaf Hawthorn, Red Haw
Crataegus douglasiiBlack Hawthorn, Douglas Hawthorn
Crataegus macracanthaLarge-thorned Hawthorn, Long-thorned Hawthorn
Crataegus macrospermaLarge-seeded Hawthorn, Big-fruit Hawthorn, Eastern Hawthorn
Crataegus mollisDowny Hawthorn, Red Haw
Crataegus punctataDotted Hawthorn, White Haw
Crataegus submollisQuebec Hawthorn
Crataegus succulentaFleshy Hawthorn
Crepis runcinataFiddle-leaf Hawksbeard, Incised Hawk's-beard, Naked-stemmed Hawksbeard
Crepis tectorumNarrow-leaf Hawksbeard, Yellow Hawk's Beard
Crocanthemum bicknelliiHoary Frostweed
Crocanthemum canadenseCanada Frostweed, Common Frostweed
Crotalaria sagittalisRattlebox, Arrowhead Rattle-box
Croton glandulosusVente Conmigo, Tropic Croton, Glandular Croton, Sand Croton, Northern Croton
Cryptogramma stelleriSlender Cliff Brake, Slender Rock-brake
Cryptotaenia canadensisCanadian Honewort
Cubelium concolorEastern Green Violet
Cuscuta cephalanthiButtonbush Dodder
Cuscuta glomerataRope Dodder, Aster Dodder
Cuscuta gronoviiSwamp Dodder, Common Dodder
Cuscuta pentagonaField Dodder, Prairie Dodder, Five-angled Dodder, Bushclover Dodder
Cyclachaena xanthiifoliaGiant Sumpweed, Marsh Elder, False Ragweed
Cycloloma atriplicifoliumWinged Pigweed
Cynanchum louiseaeBlack Swallow-wort, Black Dog-strangling Vine
Cynoglossum officinaleGypsy Flower, Hound's-tongue
Cynoglossum virginianumWild Comfrey, Northern Wild Comfrey, Wild Hound's-tongue
Cyperus acuminatusTapertip Flatsedge, Short-pointed Umbrella-sedge, Taperleaf Flatsedge
Cyperus bipartitusShining Flatsedge, Slender Flatsedge, Brook Nutsedge
Cyperus diandrusUmbrella Flatsedge, Slender Flatsedge
Cyperus engelmanniiEngelmann's Flatsedge
Cyperus erythrorhizosRed-root Flatsedge
Cyperus esculentusYellow Nutsedge, Chufa Nutsedge, Earth Almond, Tiger Nut
Cyperus fuscusBrown Flatsedge, Brown Galingale
Cyperus houghtoniiHoughton's Flatsedge, Houghton's Sand Sedge
Cyperus lupulinusSlender Nutsedge, Great Plains Flatsedge, Slender Sand Sedge
Cyperus odoratusFragrant Flatsedge, Rusty Flatsedge
Cyperus schweinitziiSchweinitz's Flatsedge, Schweinitz's Nutsedge
Cyperus squarrosusBearded Flatsedge, Awned Flatsedge, Awned Umbrella-sedge
Cyperus strigosusStraw-colored Flatsedge, Straw-colored Umbrella Sedge
Cyperus subsquarrosusDwarf Bulrush, Small-flowered Hemicarpha, Small-flower Halfchaff Sedge
Cypripedium acauleStemless Lady's-slipper, Pink Moccasin-flower, Small Pink Lady's-slipper
Cypripedium arietinumRam's-head Lady's-slipper, Ram's-head Moccasin Flower
Cypripedium candidumSmall White Lady's-slipper, White Moccasin-flower
Cypripedium parviflorum var. makasinSmall Yellow Lady's-slipper, Lesser Yellow Lady's-slipper
Cypripedium parviflorum var. pubescensGreater Yellow Lady's-slipper, Large Yellow Lady's Slipper
Cypripedium reginaeShowy Lady's-slipper
Cystopteris bulbiferaBulblet Fern, Bulblet Bladderfern, Bulblet Fragile Fern
Cystopteris fragilisFragile Fern, Brittle Bladderfern, Northern Fragile Fern
Cystopteris laurentianaLaurentian Fragile Fern, Laurentian Bladderfern, Laurentian Bulblet Fern, St. Lawrence Bladderfern, Hybrid Bladder Fern
Cystopteris protrusaSouthern Fragile Fern, Lowland Bladder Fern, Southern Bladder Fern, Protruding Fragile Fern
Cystopteris tenuisMackay's Fragile Fern, Mackay's Brittle Fern, Upland Brittle Bladderfern
Dactylis glomerataOrchard Grass, Cock's-foot
Dalea candidaWhite Prairie Clover
Dalea leporinaFoxtail Prairie Clover, Foxtail Dalea
Dalea purpureaPurple Prairie Clover
Dalea villosaSilky Prairie Clover, Downy Prairie Clover
Danthonia spicataPoverty Grass, Poverty Oat-grass
Dasiphora fruticosaShrubby Cinquefoil
Datura stramoniumJimsonweed, Thorn-apple, Devil's Snare, Devil's Trumpet
Datura wrightiiSacred Thorn-apple, Sacred Datura, Western Jimsonweed, Angel's Trumpet, Indian Apple, Moonflower
Daucus carotaQueen Anne's Lace, Wild Carrot, Bird's Nest
Decodon verticillatusSwamp Loosestrife, Water Willow
Delphinium carolinianumCarolina Larkspur, Prairie Larkspur
Dendrolycopodium dendroideumTree Clubmoss, Prickly Tree Ground-pine, Round-branched Groundpine, Princess Pine
Dendrolycopodium hickeyiHickey's Clubmoss, Hickey's Tree Clubmoss, Pennsylvania Clubmoss, Princess Pine
Dendrolycopodium obscurumFlat-branched Tree Clubmoss, Flat-branched Ground Pine, Princess Pine
Deparia acrostichoidesSilvery Spleenwort, Silvery Glade Fern
Deschampsia cespitosaTufted Hairgrass
Deschampsia flexuosaWavy Hairgrass, Crinkled Hairgrass, Slender Hairgrass
Descurainia pinnataTansy Mustard, Pinnate Tansy Mustard, Western Tansy Mustard
Descurainia sophiaHerb Sophia, Flixweed
Desmanthus illinoensisPrairie Mimosa, Illinois Bundleflower, Prairie Bundle-flower
Desmodium canadenseShowy Tick-trefoil, Hoary Tick-trefoil, Canada Tick-clover
Desmodium cuspidatumLarge-bract Tick-trefoil, Big Tick Trefoil
Desmodium glutinosumPointed-leaf Tick-trefoil, Large-flower tickclover
Desmodium illinoenseIllinois Tick-trefoil
Desmodium nudiflorumNaked-flower Tick-trefoil, Stemless Tick-trefoil, Naked-stem Tick-trefoil
Dianthus armeriaDeptford Pink
Dianthus barbatusSweet William
Dianthus deltoidesMaiden Pink
Diarrhena obovataObovate Beakgrain, American Beakgrain, Hairy Beakgrain, American Beak-grass
Dicentra canadensisSquirrel Corn
Dicentra cucullariaDutchman's Breeches
Dichanthelium borealeNorthern Panic Grass, Northern Rosette Grass
Dichanthelium latifoliumBroad-leaved Panic Grass, Broad-leaved Rosette Grass
Dichanthelium leibergiiLeiberg's Panic Grass, Leiberg's Rosette Grass
Dichanthelium scribnerianumScribner's Panic Grass, Scribner's Rosette Grass, Scribner's Panicum
Dichanthelium xanthophysumSlender Panic Grass, Slender Rosette Grass, Yellow Panic Grass, Pale Panic-grass, Pale-leaved Rosette-panicgrass, Slender Panicum
Diervilla loniceraBush Honeysuckle, Dwarf Bush Honeysuckle, Northern Honeysuckle,
Digitalis grandifloraYellow Foxglove
Digitalis lanataGrecian Foxglove, Woolly Foxglove
Digitaria cognataFall Witch Grass, Mountain Hairgrass, Carolina Crabgrass
Digitaria ischaemumSmooth Crabgrass
Digitaria sanguinalisHairy Crabgrass, Large Crabgrass, Common Crabgrass
Dioscorea villosaWild Yam, Yam-root, Colic Root
Diphasiastrum complanatumNorthern Groundcedar, Northern Running-pine, Flat-stemmed Clubmoss
Diphasiastrum digitatumSouthern Groundcedar, Fan Clubmoss, Trailing Ground-pine
Diphasiastrum tristachyumBlue Groundcedar, Wirey Groundcedar, Deep-root Clubmoss
Diplachne fuscaBearded Sprangletop, Salt Meadow Grass
Dipsacus fullonumCommon Teasel, Fuller's Teasel
Dipsacus laciniatusCut-leaf Teasel
Dirca palustrisLeatherwood, Eastern Leatherwood
Distichlis spicataSaltgrass, Desert Saltgrass, Inland Salt Grass, Coastal Saltgrass
Dodecatheon amethystinumJeweled Shooting Star, Amethyst Shooting Star
Dodecatheon meadiaPrairie Shooting Star, Pride-of-Ohio
Doellingeria umbellataFlat-topped White Aster, Flat-top Aster, Parasol Whitetop
Draba arabisansRock Whitlow-grass, Arabian Whitlow-grass
Draba canaHoary Whitlow-grass, Hoary Draba
Draba nemorosaYellow Whitlow-grass, Woodland Draba, Yellow Whitlow-wort
Draba reptansCarolina Whitlow-grass, Carolina Draba
Draba vernaSpring Whitlow-grass
Dracocephalum parviflorumAmerican Dragonhead
Drosera anglicaEnglish Sundew
Drosera intermediaSpoon-leaf Sundew, Spatulate-leaved Sundew
Drosera linearisLinear-leaved Sundew, Slender-leaf Sundew
Drosera rotundifoliaRound-leaved Sundew
Drymocallis argutaTall Cinquefoil, Prairie Cinquefoil
Dryopteris carthusianaSpinulose Wood Fern, Spinulose Shield Fern, Toothed Wood Fern
Dryopteris cristataCrested Fern, Crested Shield Fern, Crested Wood Fern
Dryopteris expansaSpreading Wood Fern, Northern Wood Fern
Dryopteris fragransFragrant Fern, Fragrant Wood Fern, Fragrant Shield Fern, Fragrant Cliff Fern
Dryopteris goldianaGoldie's Fern, Giant Wood Fern
Dryopteris intermediaGlandular Wood Fern, Intermediate Wood Fern, Fancy Wood Fern
Dryopteris marginalisMarginal Shield Fern, Marginal Wood Fern, Eastern Wood Fern
Dulichium arundinaceumThree-way Sedge, Dwarf Bamboo
Dysphania botrysJerusalem Oak, Sticky Goosefoot, Feather Geranium
Dyssodia papposaFetid Marigold, Prairie Dogweed, False Dog-fennel
Echinacea angustifoliaNarrow-leaved Purple Coneflower, Black-samson Echinacea
Echinacea pallidaPale Purple Coneflower, Pale Echinaceae
Echinacea purpureaEastern Purple Coneflower
Echinochloa crus-galliBarnyard Grass, Large Barnyard Grass, Cockspur Barnyard Grass, Barnyard Millet
Echinochloa muricataRough Barnyard Grass, American Barnyard Grass, Awned Barnyard Grass
Echinochloa walteriWalter's Barnyard Grass, Coast Cockspur Grass, Coast Barnyard Grass, Long-Awn Cock's-Spur Grass
Echinocystis lobataWild Cucumber
Echium vulgareViper's Bugloss, Blueweed
Eclipta prostrataYerba-de-tajo, False Daisy
Elaeagnus angustifoliaRussian Olive
Elaeagnus commutataSilverberry, Wolf Willow
Elaeagnus umbellataAutumn Olive
Eleocharis acicularisNeedle Spikerush, Least Spikerush, Needle Spike-sedge, Dwarf Hairgrass
Eleocharis compressaFlatstem Spikerush, Flattened Spikerush, Flat-stemmed Spike-sedge
Eleocharis ellipticaElliptic Spikerush
Eleocharis engelmanniiEnglemann's Spikerush, Engelmann's Spikesedge
Eleocharis erythropodaBald Spikerush, Red-footed Spike-sedge
Eleocharis flavescensBright Green Spikerush, Olivaceous Spikerush, Yellow Spike-sedge, Capitate Spikerush
Eleocharis intermediaIntermediate Spikerush, Matted Spikerush, Mudflat Spike-sedge
Eleocharis macrostachyaPale Spikerush, Large-spike Spikerush
Eleocharis nitidaNeat Spikerush, Quill Spikerush, Slender Spikerush, Quill Spike-sedge
Eleocharis obtusaBlunt Spikerush, Blunt Spike-sedge
Eleocharis ovataOvate Spikerush, Ovoid Spike-sedge
Eleocharis palustrisCommon Spikerush, Common Spike-sedge
Eleocharis quinquefloraFew-flowered Spikerush, Few-flowered Spike-sedge
Eleocharis robbinsiiRobbins' Spikerush
Eleocharis rostellataBeaked Spikerush, Beaked Spike-sedge, Walking Sedge
Eleocharis wolfiiWolf's Spikerush
Ellisia nycteleaAunt Lucy, Waterpod
Elymus canadensisCanada Wild Rye, Nodding Wild Rye, Great Plains Wild Rye
Elymus curvatusAwnless Wild Rye, Short-awned Wild Rye
Elymus hystrixBottlebrush Grass, Eastern Bottlebrush Grass
Elymus repensQuackgrass, Couchgrass
Elymus ripariusRiverbank Wild Rye, Eastern Riverbank Wild Rye, River Wild Rye
Elymus trachycaulusSlender Wheatgrass
Elymus villosusSilky Wild Rye, Hairy Wild Rye, Downy Wild Rye
Elymus virginicusVirginia Wild Rye
Elymus wiegandiiWiegand's Wild Rye
Empetrum nigrumBlack Crowberry
Enemion biternatumFalse Rue Anemone
Epigaea repensTrailing Arbutus, Mayflower, Ground Laurel
Epilobium ciliatumFringed Willowherb, American Willowherb, Northern Willowherb, Common Willowherb
Epilobium coloratumPurple-leaf Willowherb, Cinnamon Willowherb, Eastern Willowherb
Epilobium leptophyllumBog Willowherb, Narrow-leaved Willowherb, Linear-leaved Willowherb
Epilobium strictumDowny Willowherb
Epipactis helleborineHelleborine, Broad-leaved Helleborine
Equisetum arvenseField Horsetail, Common Horsetail
Equisetum fluviatileWater Horsetail
Equisetum laevigatumSmooth Scouring Rush
Equisetum palustreMarsh Horsetail
Equisetum praealtumTall Scouring Rush, Common Scouring Rush, Rough Horsetail
Equisetum pratenseMeadow Horsetail
Equisetum scirpoidesDwarf Scouring Rush, Dwarf Horsetail
Equisetum sylvaticumWoodland Horsetail, Wood Horsetail
Equisetum variegatumVariegated Scouring Rush
Eragrostis cilianensisStink Grass, Stinking Lovegrass
Eragrostis frankiiSandbar Lovegrass, Frank's Lovegrass
Eragrostis hypnoidesCreeping Lovegrass, Teal Love Grass
Eragrostis minorLittle Lovegrass, Smaller Stinkgrass
Eragrostis pectinaceaTufted Lovegrass, Carolina Lovegrass
Eragrostis spectabilisPurple Lovegrass, Tumble Grass
Eragrostis trichodesSand Lovegrass
Erechtites hieraciifoliusPilewort, American Burnweed, Fireweed
Erigeron acrisBitter Fleabane, Blue Fleabane
Erigeron annuusAnnual Fleabane, Eastern Daisy Fleabane
Erigeron glabellusSmooth Fleabane, Streamside Fleabane
Erigeron philadelphicusPhiladelphia Fleabane, Common Fleabane
Erigeron pulchellusRobin's Plantain, Poor Robin's Fleabane
Erigeron strigosusPrairie Fleabane, Daisy Fleabane, Rough Fleabane
Eriocaulon aquaticumCommon Pipewort, Seven-angle Pipewort
Eriochloa villosaHairy Cupgrass, Woolly Cupgrass
Eriophorum angustifoliumTall Cottongrass, Common Cottongrass, Tall Cotton-sedge
Eriophorum gracileSlender Cottongrass
Eriophorum russeolumRusset Cottongrass, Red Cottongrass, Rusty Cotton-grass
Eriophorum tenellumFew-nerved Cottongrass, Delicate Cottongrass, Few-nerved Cotton-sedge
Eriophorum vaginatumTussock Cottongrass, Tussock Cotton-sedge
Eriophorum virginicumTawny Cottongrass, Tawny Cotton-sedge
Eriophorum viridicarinatumGreen-keeled Cottongrass, Thin-leaf Cotton-sedge, Tassel Cotton-grass,
Erucastrum gallicumDog Mustard, Hairy Rocket
Eryngium yuccifoliumRattlesnake Master, Button Eryngo, Button Snakeroot
Erysimum asperumWestern Wallflower
Erysimum cheiranthoidesWormseed Wallflower, Worm-seed Mustard, Treacle Mustard
Erysimum inconspicuumSmall-flowered Wallflower
Erythronium albidumWhite Trout Lily, White Fawn Lily, White Dog-tooth Violet, White Adder's Tongue
Erythronium americanumYellow Trout Lily, Yellow Adder's-tongue, Dogtooth Violet
Erythronium propullansDwarf Trout Lily, Minnesota Dwarf Trout Lily, Minnesota Fawnlily, Minnesota Adder's-tongue
Euonymus alatusWinged Burning-bush, Winged Euonymus, Winged Spindle-tree
Euonymus atropurpureusEastern Wahoo, Burning-bush, Spindle-tree
Eupatorium altissimumTall Boneset, Tall Thoroughwort
Eupatorium perfoliatumCommon Boneset
Eupatorium sessilifoliumUpland Boneset, Upland Thoroughwort
Euphorbia corollataFlowering Spurge
Euphorbia cyathophoraPainted Leaf, Wild Poinsettia, Fire-on-the-mountain
Euphorbia cyparissiasCypress Spurge, Graveyard-weed
Euphorbia dentataToothed Spurge
Euphorbia geyeriGeyer's Spurge, Geyer's Sandmat, Dune Spurge
Euphorbia glyptospermaRidge-seed Spurge, Rib-seed Sandmat
Euphorbia maculataSpotted Spurge, Prostrate Spurge, Spotted Sandmat
Euphorbia marginataSnow-on-the-mountain
Euphorbia nutansNodding Spurge, Eyebane, Spotted Spurge
Euphorbia prostrataProstrate Spurge
Euphorbia serpillifoliaThyme-leaved Spurge, Thyme-leaf Sandmat
Euphorbia spathulataWarty Spurge, Prairie Spurge, Blunt-leaved Spurge, Reticulate-seeded Spurge
Euphorbia virgataLeafy Spurge
Euphrasia hudsonianaHudson Bay Eyebright
Euphrasia officinalisTartary Eyebright, European Eyebright
Eurybia macrophyllaLarge-leaved Aster, Big-leaf Aster
Euthamia graminifoliaGrass-leaved Goldenrod, Flat-top Goldentop, Lance-leaved Goldenrod
Euthamia gymnospermoidesGreat Plains Goldenrod, Texas Goldentop, Viscid Goldenrod
Eutrochium maculatumSpotted Joe-pye Weed, Purple Boneset, Spotted Trumpetweed
Eutrochium purpureumSweet Scented Joe Pye Weed, Sweet Joe-Pye Weed
Fagopyrum esculentumBuckwheat
Fallopia cilinodisFringed Black-bindweed, Fringed False Buckwheat
Fallopia convolvulusBlack-bindweed
Fallopia scandensClimbing False Buckwheat
Festuca rubraRed Fescue
Festuca saximontanaRocky Mountain Fescue, Mountain Fescue
Festuca subverticillataNodding Fescue
Festuca trachyphyllaHard Fescue, Sheep Fescue, Long-leaved Fescue
Ficaria vernaLesser Celandine, Fig Crowfoot, Fig Buttercup, Eurasian Buttercup
Filipendula ulmariaQueen-of-the-meadow, Meadowsweet
Fimbristylis autumnalisSlender Fimbry, Autumn Fimbry
Floerkea proserpinacoidesFalse Mermaid
Fragaria vescaWoodland Strawberry, American Wood Strawberry
Fragaria virginianaWild Strawberry, Common Strawberry, Virginia Strawberry
Frangula alnusGlossy Buckthorn, Columnar Buckthorn, Fen Buckthorn, European Buckthorn, Alder Buckthorn
Fraxinus americanaWhite Ash
Fraxinus nigraBlack Ash
Fraxinus pennsylvanicaGreen Ash
Froelichia floridanaPrairie Cottonweed, Plains Snakecotton, Florida Snake-cotton, Field Snake-cotton
Gaillardia aristataBlanketflower, Common Gaillardia, Great Blanket-flower
Galearis spectabilisShowy Orchis, Showy Orchid
Galeopsis tetrahitBrittlestem Hemp-nettle, Common Hemp-nettle
Galinsoga parvifloraSmall-flowered Galinsoga, Gallant Soldier, Little-flower Quickweed
Galinsoga quadriradiataShaggy Soldier, Hairy galinsoga, Quick Weed, Peruvian Daisy
Galium aparineSticky-willy, Cleavers, Catchweed Bedstraw, Goose-grass
Galium asprellumRough Bedstraw
Galium borealeNorthern Bedstraw
Galium circaezansLicorice Bedstraw, Wild Licorice
Galium concinnumShining Bedstraw
Galium labradoricumLabrador Bedstraw, Northern Bog Bedstraw
Galium mollugoFalse Baby's Breath, Smooth Bedstraw, Hedge Bedstraw, Whorled Bedstraw
Galium obtusumBluntleaf Bedstraw, Wild Madder, Obtuse Bedstraw
Galium tinctoriumStiff Marsh Bedstraw, Clayton's Bedstraw, Wild Madder, Southern Three-lobed Bedstraw
Galium trifidumThree-petal Bedstraw, Northern Three-lobed Bedstraw, Small Bedstraw
Galium triflorumFragrant Bedstraw, Sweet-scented Bedstraw
Galium verumYellow Bedstraw, Lady's Bedstraw
Gaultheria hispidulaCreeping Snowberry
Gaultheria procumbensWintergreen, Eastern Teaberry, Checkerberry
Gaylussacia baccataBlack Huckleberry
Gentiana affinisPleated Gentian, Northern Gentian, Rocky Mountain Gentian, Prairie Gentian
Gentiana andrewsiiBottle Gentian, Closed Bottle Gentian, Andrew's Gentian
Gentiana flavidaYellow Gentian, Cream Gentian, Pale Gentian, Plain Gentian
Gentiana puberulentaDowny Gentian, Prairie Gentian
Gentiana rubricaulis Great Lakes Gentian, Closed Gentian, Red-stemmed Gentian
Gentianella quinquefoliaStiff Gentian, Ague-weed
Gentianopsis crinitaGreater Fringed Gentian
Gentianopsis virgataLesser Fringed Gentian, Smaller Fringed Gentian
Geocaulon lividumNorthern Comandra, False Toadflax, Timberberry, Pumpkinberry, Red-fruited Bastard Toadflax
Geranium bicknelliiBicknell's Cranesbill, Northern Cranesbill
Geranium carolinianumCarolina Cranesbill, Carolina Geranium
Geranium maculatumWild Geranium, Spotted Geranium, Spotted Cranesbill, Wild Cranesbill Alumroot
Geranium sibiricumSiberian Cranesbill
Geum aleppicumYellow Avens
Geum canadenseWhite Avens
Geum laciniatumRough Avens
Geum macrophyllumLarge-leaf Avens
Geum rivalePurple Avens, Water Avens
Geum triflorumPrairie Smoke, Old Man's Whiskers
Glechoma hederaceaGround Ivy, Creeping Charlie, Gill-over-the-Ground
Gleditsia triacanthosHoney Locust
Glyceria borealisNorthern Manna Grass, Small Floating Mannagrass
Glyceria canadensisRattlesnake Manna Grass
Glyceria grandisAmerican Manna Grass, Reed Mannagrass, Tall Manna Grass
Glyceria striataFowl Manna Grass, Pale Manna Grass
Glycyrrhiza lepidotaWild Licorice, American Licorice
Gnaphalium uliginosumLow Cudweed, Marsh Cudweed
Goodyera pubescensDowny Rattlesnake Plantain
Goodyera repensLesser Rattlesnake Plantain, Dwarf Rattlesnake Plantain
Goodyera tesselataTesselated Rattlesnake Plantain, Checkered Rattlesnake Plantain
Gratiola neglectaClammy Hedge-hyssop, Disk Hyssop
Grindelia squarrosaGumweed, Curlycup Gumweed, Curly-top Gumweed
Gymnocarpium continentaleNahanni Oak Fern
Gymnocarpium dryopterisCommon Oak Fern, Northern Oak Fern
Gymnocarpium robertianumNorthern Oak Fern, Limestone Oak Fern
Gymnocladus dioicusKentucky Coffee Tree
Gypsophila muralisLow Baby's Breath, Wall Baby's Breath, Annual Gypsophila
Gypsophila paniculataBaby's Breath, Panicled Baby's-breath, Tall Baby's Breath
Hackelia deflexaNodding Stickseed, American Stickseed
Hackelia virginianaVirginia Stickseed, Beggar's-lice, Sticktight
Halenia deflexaAmerican Spurred Gentian, Green Gentian
Hamamelis virginianaWitch Hazel
Hammarbya paludosaBog Adder's-mouth
Hasteola suaveolensSweet-smelling Indian Plantain
Hedeoma hispidaRough False Pennyroyal, Mock Pennyroyal
Helenium autumnaleSneezeweed, Common Sneezeweed, Sneezewort, Swamp Sunflower
Helianthus annuusCommon Sunflower
Helianthus giganteusGiant Sunflower, Tall Sunflower, Swamp Sunflower
Helianthus grosseserratusSawtooth Sunflower
Helianthus hirsutusHairy Sunflower, Stiff-haired Sunflower, Whiskered Sunflower, Hispid Sunflower
Helianthus maximilianiMaximilian Sunflower
Helianthus nuttalliiNuttall's Sunflower
Helianthus occidentalisFew-leaf Sunflower, Naked-stem Sunflower, Western Sunflower
Helianthus pauciflorusStiff Sunflower, Prairie Sunflower, Few-leaved Sunflower
Helianthus petiolarisPrairie Sunflower, Plains Sunflower
Helianthus strumosusWoodland Sunflower, Pale-leaved Sunflower
Helianthus tuberosusJerusalem Artichoke
Heliopsis helianthoidesSmooth Oxeye, Common Ox-eye, False Sunflower, Sunflower Heliopsis
Hemerocallis fulvaDay Lily, Orange Daylily
Heracleum maximumCommon Cow Parsnip, American Cow-parsnip
Hesperis matronalisDame's Rocket
Hesperostipa comataNeedle-and-thread Grass
Hesperostipa curtisetaWestern Porcupine Grass, Small Porcupine Grass, Short-awned Porcupine Grass, Short-bristle Needle-and-thread Grass
Hesperostipa sparteaPorcupine grass, Needlegrass
Heteranthera dubiaWater Star-grass, Grass-leaf Mud-plantain
Heteranthera limosaBlue Mud Plantain, Ducksalad
Heterotheca villosaHairy False Goldenaster, Hairy Golden-aster
Heuchera richardsoniiPrairie Alumroot, Richardson's Alumroot
Hibiscus laevisHalberd-leaved Rose Mallow, Smooth Rose Mallow
Hibiscus trionumFlower of an Hour
Hieracium aurantiacumOrange Hawkweed, Devil's Paintbrush
Hieracium caespitosumMeadow Hawkweed, Yellow King-devil, Field Hawkweed
Hieracium longipilumHairy Hawkweed, Long-bearded Hawkweed
Hieracium pilosellaMouse-ear Hawkweed
Hieracium piloselloidesGlaucous King-devil, Smooth Hawkweed, Tall Hawkweed, King-devil Hawkweed
Hieracium scabrumSticky Hawkweed, Rough Hawkweed
Hieracium umbellatumNarrow-leaf Hawkweed, Canada Hawkweed, Rough Hawkweed, Northern Hawkweed
Hippuris vulgarisMare's Tail, Common Mare's-tail
Homalosorus pycnocarposNarrow-leaved Spleenwort, Narrow-leaved Glade Fern
Hordeum jubatumFoxtail Barley, Squirrel-tail Grass, Squirrel-tail Barley
Hordeum pusillumLittle Barley
Houstonia longifoliaLong-leaf Bluets, Long-leaf Houstonia, Long-leaf Summer Bluet
Hudsonia tomentosaBeach Heather, Woolly Beach-heather, False Heather, Woolly Hudsonia, Poverty Grass
Humulus japonicusJapanese Hops
Humulus lupulusCommon Hops, American Hops
Huperzia appressaAppalachian Firmoss, Mountain Fir-moss
Huperzia lucidulaShining Firmoss, Shining Clubmoss
Huperzia porophilaRock Firmoss, Rock Clubmoss
Huperzia selagoNorthern Firmoss, Fir Clubmoss, Mountain Clubmoss
Hydrastis canadensisGolden Seal
Hydrocotyle americanaAmerican Water Pennywort, American Marsh-pennywort
Hydrocotyle ranunculoidesFloating Pennywort, Buttercup Pennywort, Floating Marsh-pennywort, Water Pennywort
Hydrophyllum appendiculatumAppendaged Waterleaf, Great Waterleaf
Hydrophyllum virginianumVirginia Waterleaf, Eastern Waterleaf
Hylotelephium telephiumOrpine, Live-forever, Witch's Moneybags
Hypericum ascyronGreat St. Johnswort, Giant St. John's-wort
Hypericum borealeNorthern St. John's-wort
Hypericum ellipticumPale St. John's-wort, Elliptic-leaved St. John's-wort, Creeping St. John's-wort
Hypericum kalmianumKalm's St. John's-wort
Hypericum majusLarger Canadian St. Johnswort, Greater St Johnswort
Hypericum perforatumCommon St. Johnswort, Klamath-weed
Hypericum punctatumSpotted St. John's-wort
Hypopitys monotropaPinesap, False Beech Drops, Yellow Bird's-Nest
Hypoxis hirsutaYellow Star-grass, Yellow-eyed Grass, Common Goldstar
Ilex mucronataSwamp Holly, Catberry, Mountain Holly
Ilex verticillataWinterberry, Common Winterberry Holly
Impatiens capensisSpotted Touch-me-not, Jewelweed
Impatiens pallidaPale Touch-me-not, Yellow Jewelweed, Yellow Touch-me-not
Inula heleniumElecampane, Horse Yellowhead
Iodanthus pinnatifidusPurple Rocket
Iris pseudacorusPale-yellow Iris, Yellow Flag
Iris versicolorHarlequin Blueflag, Blueflag Iris, Northern Blueflag
Iris virginicaSouthern Blueflag, Virginia Iris
Isoetes echinosporaSpiny-spore Quillwort, Spiny Quillwort, Spring Quillwort, Braun's Quillwort
Isoetes melanopodaPrairie Quillwort, Black-foot Quillwort
Jeffersonia diphyllaTwinleaf
Juglans cinereaButternut, White Walnut
Juglans nigraBlack Walnut
Juncus alpinoarticulatusNorthern Green Rush, Alpine Rush
Juncus articulatusJointed Rush, Joint-leaf Rush
Juncus balticusBaltic Rush, Mountain Rush
Juncus brevicaudatusNarrow-panicled Rush, Short-tailed Rush
Juncus bufoniusToad Rush
Juncus canadensisCanada Rush
Juncus compressusRound-fruited Rush, Flattened Rush, Compressed Rush
Juncus dudleyiDudley's Rush
Juncus effususSoft Rush, Common Rush
Juncus filiformisThread Rush
Juncus greeneiGreene's Rush
Juncus interiorInland Rush
Juncus longistylisLong-styled Rush
Juncus marginatusGrassleaf Rush, Marginated Rush
Juncus nodosusKnotted Rush, Knotty Rush, Joint Rush
Juncus pelocarpusBrown-fruit Rush
Juncus stygiusBog Rush, Moor Rush
Juncus tenuisPath Rush, Poverty Rush, Slender Rush
Juncus torreyiTorrey's Rush
Juncus vaseyiVasey's Rush
Juniperus communisCommon Juniper
Juniperus horizontalisCreeping Juniper
Juniperus virginianaEastern Red Cedar
Kalmia polifoliaBog Laurel, Pale Laurel, Swamp-laurel
Knautia arvensisField Scabious, Bluebuttons
Koeleria macranthaJunegrass
Krigia bifloraTwo-flowered Cynthia, Two-flowered False Dandelion, Orange Dwarf Dandelion
Lactuca biennisTall Blue Lettuce, Blue Wood Lettuce, Biennial Blue Lettuce
Lactuca canadensisWild Lettuce, Canada Lettuce, Tall Lettuce
Lactuca floridanaWoodland Lettuce, Florida Lettuce
Lactuca ludovicianaLouisiana Lettuce, Prairie Lettuce, Western Wild Lettuce
Lactuca serriolaPrickly Lettuce
Lamiastrum galeobdolonYellow Archangel, Yellow Deadnettle, Yellow Henbit
Lamium amplexicauleHenbit, Henbit Deadnettle
Laportea canadensisCanadian Wood Nettle
Lappula occidentalisWestern Stickseed, Flatspine Stickseed, Flatspine Sheepburr, Redowski's Stickseed
Lappula squarrosaEuropean Stickseed, Two-row Stickseed, Bristly Sheepburr, Bluebur
Lapsana communisCommon Nipplewort
Larix deciduaEuropean Larch, Common Larch
Larix laricinaTamarack, American Larch
Lathyrus japonicusBeach Pea
Lathyrus ochroleucusCream Pea, Pale Vetchling, Pale Pea, Cream Peavine
Lathyrus palustrisMarsh Vetchling, Marsh Pea, Wild Pea
Lathyrus sylvestrisNarrow-leaved Everlasting Pea, Everlasting Pea, Narrow-leaved Vetchling, Perennial Pea, Flat Pea, Flat Peavine
Lathyrus tuberosusEarthnut Pea, Tuberous Vetchling, Tuberous Pea, Earth Chestnut, Earthnut Peavine, Tuberous Sweetpea
Lathyrus venosusVeiny Pea, Bushy Vetchling, Forest Pea
Lechea strictaPrairie Pinweed, Bushy Pinweed
Lechea tenuifoliaNarrowleaf Pinweed, Slender Pinweed
Leersia lenticularisCatchfly Grass
Leersia oryzoidesRice Cutgrass
Leersia virginicaWhite Grass, White Cutgrass, Virginia Cutgrass
Lemna minorCommon Duckweed, Lesser Duckweed
Lemna trisulcaStar Duckweed, Ivy-leaved Duckweed, Forked Duckweed
Lemna turioniferaTurion Duckweed, Red Duckweed
Leonurus cardiacaMotherwort
Leonurus sibiricusSiberian Motherwort, Honeyweed, Marihuanilla, Little Marijuana
Lepidium densiflorumGreen-flowered Peppergrass, Common Pepperweed, Prairie Pepperweed, Miner's Pepperwort
Lepidium drabaWhite-top, Hoary Cress, Heart-podded Pepperweed
Lepidium virginicumVirginia Peppergrass, Virginia Pepperweed, Poor-man's Pepperweed, Poorman's Pepperwort, Common Peppergrass, Virginia Peppercress
Lespedeza capitataRound-headed Bush Clover, Rabbit foot, Roundhead Lespedeza
Lespedeza leptostachyaPrairie Bush Clover, Prairie Lespedeza, Slender-spike Lespedeza
Leucanthemella serotinaGiant Daisy
Leucanthemum vulgareOx-eye Daisy, Common Daisy, Marguerite
Leucophysalis grandifloraLarge False Ground Cherry, White-flowered Ground-cherry, Large-flowered Ground-cherry
Liatris asperaRough Blazing Star, Tall Blazing Star, Gayfeather
Liatris cylindraceaCylindric Blazing Star, Ontario Blazing Star, Barrelhead Gayfeather
Liatris ligulistylisNorthern Plains Blazing Star, Northern Plains Gayfeather, Rocky Mountain Blazing Star, Meadow Blazing Star
Liatris punctataDotted Blazing Star, Dotted Gayfeather, Narrow-leaved Blazing Star
Liatris pycnostachyaPrairie Blazing Star, Cat-tail Gayfeather, Thick-spike Gayfeather, Tall Blazing Star
Lilium lancifoliumTiger Lily
Lilium michiganenseMichigan Lily
Lilium philadelphicumWood Lily, Western Orange-cup Lily, Western Red Lily
Limosella aquaticaMudwort, Awl-leaf Mudwort, Water-mudwort
Linaria dalmaticaDalmatian Toadflax
Linaria vulgarisButter and Eggs, Yellow Toadflax
Lindernia dubiaFalse Pimpernel, Yellow-seeded False Pimpernel
Linnaea borealisTwinflower
Linum lewisiiBlue Flax, Lewis Flax
Linum perennePerennial Flax, Blue Flax, Garden Flax
Linum rigidumStiffstem Flax, Large-flowered Yellow Flax
Linum sulcatumGrooved Yellow Flax
Linum usitatissimumCommon Flax
Liparis liliifoliaLily-leaved Twayblade, Brown Widelip Orchid, Large Twayblade, Purple Twayblade, Mauve Sleekwort
Liparis loeseliiLoesel's Twayblade, Yellow Widelip Orchid, Bog Twayblade, Fen Orchid
Listera cordataHeart-leaved Twayblade
Lithospermum canescensHoary Puccoon
Lithospermum carolinienseCarolina Puccoon, Hairy Puccoon, Carolina Gromwell
Lithospermum incisumNarrow-leaf Puccoon, Narrowleaf Stoneseed, Fringed Puccoon, Yellow Puccoon, Narrow-leaf Gromwell
Lithospermum latifoliumAmerican Gromwell, American Stoneseed, Broad-leaved Gromwell
Littorella americanaAmerican Shoreweed, American Shore Plantain
Lobelia cardinalisCardinal Flower
Lobelia dortmannaWater Lobelia
Lobelia inflataIndian Tobacco
Lobelia kalmiiKalm's Lobelia, Brook Lobelia, Ontario Lobelia
Lobelia siphiliticaBlue Lobelia, Great Blue Lobelia, Blue Cardinal Flower
Lobelia spicataPale-spike Lobelia
Lolium multiflorumAnnual Ryegrass, Italian Ryegrass
Lolium perennePerennial Ryegrass, English Ryegrass
Lomatium orientaleNorthern Idaho Biscuitroot, Oriental Desert Parsley, Salt-and-Pepper
Lonicera canadensisFly Honeysuckle
Lonicera dioicaWild Honeysuckle, Limber Honeysuckle, Red Honeysuckle, Glaucous Honeysuckle
Lonicera hirsutaHairy Honeysuckle
Lonicera maackiiAmur Honeysuckle, Bush Honeysuckle
Lonicera morrowiiMorrow's Honeysuckle
Lonicera oblongifoliaSwamp Fly Honeysuckle, Swamp Honeysuckle
Lonicera reticulataGrape Honeysuckle
Lonicera tataricaTatarian Honeysuckle
Lonicera villosaMountain Fly Honeysuckle, Mountain Honeysuckle
Lonicera X bellaShowy Honeysuckle, Showy Fly Honeysuckle, Bell's Honeysuckle
Lotus corniculatusBirds-foot Trefoil, Birdfoot Deervetch
Lotus purshianusAmerican Bird's-foot Trefoil, Prairie Bird's-foot Trefoil
Ludwigia palustrisWater Purslane, Water Primrose, Marsh Purslane, Marsh Seedbox
Ludwigia polycarpaFalse Loosestrife, Many-fruit Primrose
Lupinus perennisWild Lupine, Sundial Lupine
Lupinus polyphyllusLarge-leaved Lupine, Western Lupine, Big-leaf Lupine, Garden Lupine
Luzula acuminataHairy Woodrush, Pointed Woodrush, Clustered Woodrush
Luzula luzuloidesOak Forest Woodrush, Lamarck's Woodrush
Luzula multifloraCommon Woodrush, Many-flowered Woodrush, Heath Woodrush
Luzula parvifloraSmall-flowered Woodrush
Lycopodiella inundataNorthern Bog Clubmoss, Marsh Clubmoss, Inundated Clubmoss
Lycopodium clavatumRunning Clubmoss, Running Ground-pine
Lycopodium lagopusOne-cone Clubmoss, One-cone Ground-pine
Lycopus americanusAmerican Water Horehound, American Bugleweed, Cut-leaved Bugleweed
Lycopus asperRough Bugleweed
Lycopus uniflorusNorthern Bugleweed
Lycopus virginicusVirginia Bugleweed
Lygodesmia junceaSkeletonweed, Rush Skeleton-plant
Lysimachia borealisStarflower
Lysimachia ciliataFringed Loosestrife
Lysimachia hybridaLowland Yellow Loosestrife, Hybrid Loosestrife, Lance-leaved Loosestrife
Lysimachia minimaChaffweed
Lysimachia nummulariaCreeping Jenny, Moneywort
Lysimachia quadrifloraPrairie Loosestrife, Four-flower Yellow Loosestrife, Linear-leaf Loosestrife
Lysimachia quadrifoliaWhorled Loosestrife
Lysimachia terrestrisSwamp Candles, Swamp Loosestrife, Earth Loosestrife
Lysimachia thyrsifloraTufted Loosestrife, Water Loosestrife
Lysimachia vulgarisGarden Loosestrife
Lythrum alatumWinged Loosestrife, Wing-angled Loosestrife, Winged Lythrum
Lythrum salicariaPurple Loosestrife
Maianthemum canadenseCanada Mayflower, Wild Lily-of-the-valley, False Lily-of-the-valley
Maianthemum racemosumFalse Solomon's Seal, Solomon's Plume, Feathery False Lily-of-the-Valley
Maianthemum stellatumStarry False Solomon's Seal, Starry Solomon's Plume, Starry False Lily-of-the-Valley
Maianthemum trifoliumThree-leaf False Solomon's-seal, Three-leaf Solomon's-plume, Three-leaf False Lily of the Valley
Malaxis monophyllosWhite Adder's-mouth
Malaxis unifoliaGreen Adder's-mouth
Malus ioensisPrairie Crabapple, Iowa Crab Apple, Wild Crabapple
Malva neglectaCommon Mallow, Cheeses, Cheeseweed
Malva pusillaRound-leaved Mallow, Low Mallow, Dwarf Mallow
Marsilea vestitaHairy Water Clover, Hairy Pepperwort
Matricaria chamomillaGerman Chamomile, Wild Chamomile, Scented Mayweed
Matricaria discoideaPineapple-weed, Disc Mayweed
Matteuccia struthiopterisOstrich Fern
Medicago lupulinaBlack Medick, Black Medic
Medicago sativaAlfalfa, Purple Medick
Melampyrum lineareCow Wheat, Narrow-leaf Cow-wheat, American Cow Wheat
Melica nitensThree-flowered Melic
Melilotus albusWhite Sweet Clover, Honey Clover
Melilotus officinalisYellow Sweet Clover
Menispermum canadenseCanada Moonseed
Mentha arvensisWild Mint, Field Mint
Mentha spicataSpearmint
Menyanthes trifoliataBuckbean, Bog Bean, Marsh Trefoil, Water Shamrock
Mertensia paniculataNorthern Bluebells, Tall Lungwort, Tall Bluebells, Panicled Bluebells
Mertensia virginicaVirginia Bluebells, Virginia Cowslip, Virginia Lungwort
Micranthes pensylvanicaSwamp Saxifrage, Eastern Swamp Saxifrage
Micranthes virginiensisEarly Saxifrage, Virginia Saxifrage
Milium effusumWood Millet, Woodland Millet Grass, American Millet Grass, Tall Millet
Mimulus glabratusRound-leaf Monkey Flower
Mimulus ringensAllegheny Monkey Flower, Blue Monkey-flower
Minuartia dawsonensisRock Sandwort, Rock Stitchwort
Mirabilis albidaHairy Four O'clock
Mirabilis nyctagineaWild Four O'Clock, Heart-leaved Four O'Clock
Miscanthus sacchariflorusAmur Silvergrass, Silver Banner-grass
Mitchella repensPartridgeberry, Two-eyed Berry, Twin Berry
Mitella diphyllaTwo-leaf Miterwort, Bishop's Cap
Mitella nudaNaked Miterwort, Small Bishop's Cap
Moehringia laterifloraBluntleaf Sandwort, Grove Sandwort
Moehringia macrophyllaLarge-leaved Sandwort
Mollugo verticillataCarpetweed, Indian Chickweed, Devil's Grip
Monarda fistulosaWild Bergamot, Horsemint, Bee Balm, Mint-leaf Bee-balm
Monarda punctataSpotted Horsemint, Spotted Beebalm
Moneses unifloraOne-flowered Pyrola, One-flowered Wintergreen, Single Delight
Monolepis nuttallianaNuttall's Povertyweed
Monotropa unifloraIndian Pipe
Montia chamissoiWater Minerslettuce, Toad Lily, Chamisso's Candy-Flower, Water Montia
Morus albaWhite Mulberry
Morus rubraRed Mulberry
Muhlenbergia asperifoliaScratchgrass, Alkali Muhly
Muhlenbergia cuspidataPlains Muhly
Muhlenbergia frondosaWirestem Muhly, Swamp Muhly
Muhlenbergia glomerataSpike Muhly, Marsh Muhly, Clustered Muhly Grass, Marsh Wild Timothy
Muhlenbergia mexicanaMexican Muhly, Satin Grass
Muhlenbergia racemosaMarsh Muhly, Green Muhly, Upland Wild Timothy
Muhlenbergia richardsonisMat Muhly
Muhlenbergia schreberiNimblewill, Dropseed Muhly
Muhlenbergia unifloraBog Muhly, One-flowered Muhly
Mulgedium pulchellumShowy Blue Lettuce, Common Blue Lettuce, Beautiful Blue Lettuce, Russian Blue Lettuce
Myosotis arvensisField Forget-me-not
Myosotis laxaSmaller Forget-me-not, Tufted Forget-me-not
Myosotis scorpioidesTrue Forget-me-not, Water Forget-me-not, Water Scorpion Grass
Myosotis sylvaticaWood Forget-me-not, Garden Forget-me-not
Myosotis vernaSpring Forget-me-not, Virginia Forget-me-not, Spring Scorpion Grass
Myosoton aquaticumGiant Chickweed
Myosurus minimusMousetail, Tiny Mousetail
Myrica galeSweet-gale, Bog Myrtle
Myriophyllum alterniflorumAlternate-flowered Water-milfoil
Myriophyllum farwelliiFarwell's Water-milfoil
Myriophyllum sibiricumNorthern Water-milfoil, Common Water-milfoil, Shortspike Watermilfoil
Myriophyllum spicatumEurasian Water-milfoil, Spiked Water-milfoil
Myriophyllum tenellumSlender Water-milfoil, Dwarf Water-milfoil
Myriophyllum verticillatumWhorled Water-milfoil
Myriopteris gracilisSlender Lip Fern, Fee's Lipfern
Nabalus albusWhite Rattlesnake-root, White Lettuce, Lion's-foot
Nabalus asperRough Rattlesnake-root, Hairy Rattlesnake-root, Rough White Lettuce
Nabalus racemosusPurple Rattlesnake-root, Glaucus Rattlesnake-root, Smooth Rattlesnake-root, Prairie Rattlesnake-root, Glaucous White Lettuce
Najas flexilisNodding Waternymph, Slender Naiad, Flexuous Naiad, Northern Waternymph
Najas gracillimaSlender Waternymph, Slender Naiad, Thread-leaf Naiad
Najas guadalupensisSouthern Waternymph, Southern Naiad, Common Waternymph, Guadalupe Waternymph, Guppy Grass
Najas marinaSpiny Naiad, Spiny Water Nymph, Holly-leaved Naiad, Sea Naiad, Marine Naiad
Napaea dioicaGlade Mallow
Nassella viridulaGreen Needle Grass
Nasturtium officinaleWatercress, Small-leaved Water-cress
Nelumbo luteaAmerican Lotus, Wab-bis-sa-pin, Tewape, Water-Chinquapin, Sacred Bean
Neottia auriculataAuricled Twayblade
Nepeta catariaCatnip, Cat mint
Nothocalais cuspidataPrairie False Dandelion, Sharp-point Prairie Dandelion, Wavy-leaf Agoseris
Nuphar variegataYellow Pond-lily, Bullhead Lily, Variegated Yellow Pond-lily
Nuphar X rubrodiscaIntermediate Pond-lily, Red-disk Pond-lily, Yellow Pond-lily
Nuttallanthus canadensisOld-field Toadflax, Blue Toadflax, Canada Toadflax
Nymphaea leibergiiSmall White Water-lily, Pygmy Waterlily, Leiberg's Water-lily
Nymphaea odorataAmerican White Water-lily, Fragrant White Water-lily
Odontites vernusRed Bartsia, Red Rattle, Late-flowering Eyebright
Oenothera biennisCommon Evening Primrose
Oenothera clelandiiCleland's Evening Primrose, Sand Evening Primrose
Oenothera gauraBiennial Gaura, Biennial Beeblossom, Butterfly Weed
Oenothera laciniataCut-leaved Evening Primrose, Ragged Evening Primrose
Oenothera nuttalliiNuttall's Evening Primrose, White-stemmed Evening Primrose
Oenothera oakesianaOakes' Evening Primrose
Oenothera parvifloraNorthern Evening Primrose, Small-flowered Evening Primrose
Oenothera perennisSmall Sundrops, Little Evening-primrose, Perennial Evening-primrose
Oenothera rhombipetalaFourpoint Evening Primrose, Rhombic Evening Primrose
Oenothera serrulataYellow Sundrops, Toothed Evening Primrose, Plains Yellow Primrose
Oenothera suffrutescensScarlet Gaura, Scarlet Beeblossom
Oenothera villosaHairy Evening Primrose
Onoclea sensibilisSensitive Fern
Onopordum acanthiumScotch Thistle, Scotch Cotton-thistle
Onosmodium bejarienseFalse Gromwell, Soft-hair Marbleseed, Western Marbleseed
Ophioglossum pusillumNorthern Adder's-tongue
Opuntia fragilisBrittle Prickly Pear, Fragile Prickly Pear, Little Prickly Pear
Opuntia macrorhizaPlains Prickly Pear, Twist-spine Pricklypear
Orobanche fasciculataClustered Broomrape
Orobanche ludovicianaLouisiana Broomrape, Prairie Broom-rape
Orobanche unifloraOne-flowered Broomrape, Naked Broomrape, One-flowered Cancer-root
Orthilia secundaOne-sided Pyrola, One-sided Shinleaf, One-sided Wintergreen, Sidebells Wintergreen
Orthocarpus luteusYellow Owl-clover
Oryzopsis asperifoliaRough-leaved Rice Grass, Mountain Ricegrass
Osmorhiza claytoniiSweet Cicely, Clayton's Sweetroot
Osmorhiza longistylisAniseroot, Long-style Sweetroot, Smoother Sweet Cicely
Osmunda regalisRoyal Fern
Osmundastrum cinnamomeumCinnamon Fern
Ostrya virginianaIronwood, American Hop-hornbeam, Eastern Hop-hornbeam
Oxalis dilleniiSouthern Wood Sorrel, Slender Yellow Wood Sorrel
Oxalis montanaCommon Wood Sorrel, Mountain Woodsorrel
Oxalis strictaYellow Wood Sorrel, Common Yellow Oxalis
Oxalis violaceaViolet Wood Sorrel
Oxypolis rigidiorCowbane, Common Water Dropwort
Oxytropis borealis var. viscidaSticky Locoweed, Boreal Locoweed
Oxytropis lambertiiLambert's Locoweed, Purple Locoweed
Packera aureaGolden Ragwort, Heart-leaved Groundsel
Packera canaWoolly Groundsel, Gray Ragwort, Silvery Ragwort
Packera indecoraElegant Groundsel, Rayless Mountain Ragwort
Packera pauperculaBalsam Ragwort, Balsam Grounsel
Packera plattensisPrairie Ragwort, Prairie Groundsel
Packera pseudaureaWestern Heart-leaved Groundsel, False Gold Groundsel
Panax quinquefoliusAmerican Ginseng, Wild Ginseng
Panax trifoliusDwarf Ginseng
Panicum capillareWitchgrass
Panicum dichotomiflorumFall Panic Grass, Smooth Witchgrass
Panicum virgatumSwitchgrass, Tall Panicgrass
Parietaria pensylvanicaPennsylvania Pellitory
Parnassia glaucaAmerican Grass of Parnassus, Fen Grass of Parnassus, Grass of Parnassus
Parnassia palustrisMarsh Grass of Parnassus
Paronychia canadensisSmooth Forked Nailwort, Canada Forked Chickweed, Tall Forked Chickweed, Smooth Forked Whitlow-wort
Parthenium integrifoliumWild Quinine, American Feverfew
Parthenocissus insertaWoodbine, Grape-woodbine, Thicket Creeper, Virginia Creeper
Parthenocissus quinquefoliaVirginia Creeper, Woodbine
Paspalum setaceumHairy Beadgrass, Hairy Lens Grass, Thin Paspalum, Slender Paspalum
Pastinaca sativaWild Parsnip
Patis racemosaBlack-fruited Rice Grass, Black-seeded Mountain Rice Grass
Pedicularis canadensisWood Betony, Canadian Lousewort, Common Lousewort
Pedicularis lanceolataSwamp Lousewort, Swamp Betony
Pediomelum argophyllumSilverleaf Scurfpea, Silverleaf Indian Breadroot
Pediomelum esculentumPrairie Turnip, Large Indian Breadroot, Indian Turnip
Pellaea atropurpureaPurple Cliff Brake
Pellaea glabellaSmooth Cliff Brake
Penstemon albidusWhite Beardtongue, White Penstemon
Penstemon digitalisFoxglove Beardtongue, Eastern Smooth Beardtongue
Penstemon gracilisSlender Beardtongue, Lilac Penstemon, Slender Penstemon
Penstemon grandiflorusLarge Beardtongue, Large-flowered Beardtongue, Large-flowered Penstemon
Penstemon pallidusPale Beardtongue, Eastern White Beardtongue
Penthorum sedoidesDitch Stonecrop
Peritoma serrulataRocky Mountain Beeplant, Spider-flower, Pink Cleome, Stinking Clover, Stinkweed
Persicaria amphibiaSwamp Smartweed, Water Smartweed, Longroot Smartweed, Water Knotweed
Persicaria arifoliaHalberd-leaved Tearthumb
Persicaria careyiCarey's Smartweed, Carey's Heart's-ease
Persicaria hydropiperMarsh Waterpepper
Persicaria hydropiperoidesMild Waterpepper, Swamp Smartweed
Persicaria lapathifoliaNodding Smartweed, Pale Smartweed, Curlytop Knotweed
Persicaria longisetaOriental Lady's-thumb, Bristly Lady's-thumb, Bristly Knotweed, Low Smartweed, Creeping Smartweed
Persicaria maculosaLady's-thumb, Spotted Lady's-thumb, Redshank
Persicaria minorPygmy Smartweed, Small Water-pepper
Persicaria orientalisPrince's Feather, Kiss-me-over-the-garden-gate
Persicaria pensylvanicaPennsylvania Smartweed
Persicaria punctataDotted Smartweed, Water Smartweed
Persicaria sagittataArrow-leaved Tearthumb
Persicaria virginianaJumpseed
Petasites frigidusSweet Coltsfoot, Artic Sweet Coltsfoot, Arctic Butterbur, Palmate Sweet Coltsfoot, Arrow-leaved Sweet Coltsfoot, Grape-leaved Sweet Coltsfoot
Phacelia frankliniiFranklin's Phacelia, Franklin's Scorpionweed
Phalaris arundinaceaReed Canary Grass, Reed Canarygrass
Phegopteris connectilisLong Beech Fern, Narrow Beech Fern, Northern Beech Fern
Phegopteris hexagonopteraBroad Beech Fern
Phellodendron amurenseAmur Corktree
Phemeranthus parviflorusSmall-flowered Fameflower, Sunbright, Prairie Flameflower
Phemeranthus rugospermusRough-seeded Fameflower, Sand Fameflower, Prairie Fameflower
Phleum pratenseTimothy
Phlox divaricataWild Blue Phlox, Woodland Phlox, Blue Wood Phlox
Phlox maculataWild Sweet William, Spotted Phlox, Meadow Phlox, Speckled Phlox
Phlox paniculataGarden Phlox, Fall Phlox, Summer Phlox
Phlox pilosaPrairie Phlox, Downy Phlox
Phlox subulataCreeping Phlox, Ground Pink, Moss Pink, Moss Phlox
Phragmites australis subsp. americanusAmerican Common Reed
Phragmites australis subsp. australisEuropean Common Reed
Phryma leptostachyaAmerican Lopseed
Phyla lanceolataLance-leaf Fog Fruit, Northern Fog Fruit
Physalis heterophyllaClammy Ground Cherry
Physalis longifoliaLong-leaf Ground Cherry
Physalis virginianaVirginia Ground Cherry
Physaria ludovicianaBladderpod, Lousiana Bladder-pod
Physocarpus opulifoliusNinebark, Atlantic Ninebark, Common Ninebark
Physostegia virginianaObedient Plant, False Dragonhead
Picea abiesNorway Spruce
Picea glaucaWhite Spruce
Picea marianaBlack Spruce
Picea pungensColorado Spruce, Colorado Blue Spruce
Pilea fontanaBlack-fruited Clearweed, Lesser Clearweed, Bog Clearweed
Pilea pumilaDwarf Clearweed, Canadian Clearweed
Pimpinella saxifragaBurnet Saxifrage, Solid-stem Burnet Saxifrage
Pinguicula vulgarisButterwort
Pinus banksianaJack Pine
Pinus nigraAustrian Pine, European Black Pine
Pinus ponderosaPonderosa Pine
Pinus resinosaRed Pine, Norway Pine
Pinus strobusWhite Pine
Pinus sylvestrisScots Pine, Scotch Pine
Piptatherum canadenseCanadian Rice Grass
Piptatherum pungensMountain Rice Grass
Plagiobothrys scouleriSleeping Popcornflower, Scouler's Popcornflower, Meadow Popcornflower, Matted Popcornflower
Plantago aristataLarge-bracted Plantain
Plantago elongataSlender Plantain, Prairie Plantain
Plantago eriopodaAlkali Plantain, Red-wool Plantain, Woolly-crowned Plantain
Plantago lanceolataEnglish Plantain, Narrow-leaf Plantain, Buckhorn Plantain
Plantago majorCommon Plantain, Broad-leaf Plantain
Plantago patagonicaWoolly Plantain, Pursh's Plantain
Plantago rugeliiRugel's Plantain, Black-seed Plantain
Plantago virginicaDwarf Plantain, Pale-seed Plantain, Virginia Plantain, Hoary Plantain
Platanthera aquilonisNorthern Green Orchid, Northern Bog Orchid
Platanthera clavellataSmall Green Wood Orchid, Green Woodland Orchid, Club-spur Orchid
Platanthera dilatataTall White Bog Orchid, Scentbottle, Leafy White Orchis
Platanthera flava var. herbiolaTubercled Rein Orchid, Pale Green Orchid, Pale Green Orchis
Platanthera hookeriHooker's Orchid
Platanthera huronensisTall Northern Bog Orchid
Platanthera laceraRagged Fringed Orchid, Green Fringed Orchid, Ragged Orchis
Platanthera obtusataBlunt-leaved Orchid, Small Northern Bog Orchid
Platanthera orbiculataLarge Round-leaved Orchid, Lesser Round-leaved Orchid
Platanthera praeclaraWestern Prairie Fringed Orchid, Great Plains White Fringed Orchid
Platanthera psycodesLesser Purple Fringed Orchid, Small Purple Fringed Orchis
Poa alsodesGrove Bluegrass, Wood Bluegrass, Grove Meadow Grass
Poa annuaAnnual Bluegrass
Poa aridaPlains Bluegrass
Poa bulbosaBulbous Bluegrass, Bulbous Meadowgrass
Poa chaixiiBroad-leaf Bluegrass, Broad-leaved Meadow Grass
Poa compressaCanada Bluegrass, Flat-stem Bluegrass
Poa glaucaGlaucous Bluegrass, Pale Bluegrass
Poa nemoralisWood Bluegrass, Wood Meadowgrass, Sylvan Bluegrass
Poa paludigenaBog Bluegrass
Poa palustrisFowl Bluegrass, Swamp Meadow-grass
Poa saltuensisOld-pasture Bluegrass, Weak Bluegrass, Drooping Bluegrass, Woodland Bluegrass, Weak Speargrass
Podophyllum peltatumMayapple, Wild Mandrake, Ground Lemon
Pogonia ophioglossoidesRose Pogonia, Snake-mouth Orchid, Adder's-mouth Pogonia
Polanisia dodecandraRed-whisker Clammyweed
Polanisia jamesiiJames' Polanisia, James' Cristatella
Polemonium lacustreGreat Lakes Jacob's Ladder
Polemonium reptansSpreading Jacob's Ladder, Greek Valerian, Creeping Polemonium
Polygala cruciataCross-leaved Milkwort, Drumheads, Marsh Milkwort
Polygala polygamaRacemed Milkwort, Purple Milkwort, Bitter Milkwort
Polygala sanguineaBlood Milkwort, Purple Milkwort, Field Milkwort
Polygala senegaSeneca Snakeroot, Mountain Flax, Rattlesnake Snakeroot
Polygala verticillataWhorled Milkwort
Polygaloides paucifoliaGaywings, Fringed Milkwort, Fringed Polygala, Flowering Wintergreen
Polygonatum biflorumSmooth Solomon's Seal, Giant Solomon's Seal
Polygonatum pubescensHairy Solomon's Seal, Downy Solomon's Seal
Polygonella articulataCoast Jointweed, Sand Jointweed, Northern Jointweed
Polygonum achoreumLeathery Knotweed, Blake's Knotweed, Striate Knotweed, Blue Knotweed
Polygonum douglasiiDouglas' Knotweed
Polygonum tenueSlender Knotweed, Pleat-leaf Knotweed
Polymnia canadensisLeafcup, White-flower Leaf-cup
Polypodium virginianumCommon Polypody, Rock Polypody
Polystichum acrostichoidesChristmas Fern
Polystichum brauniiBraun's Holly Fern, Prickly Shield Fern
Polytaenia nuttalliiPrairie Parsley, Nuttall's Prairie Parsley
Pontederia cordataPickerelweed
Populus albaWhite Poplar
Populus balsamiferaBalsam Poplar
Populus deltoidesPlains Cottonwood, Eastern Cottonwood
Populus grandidentataBig-tooth Aspen, Large-tooth Aspen
Populus tremuloidesQuaking Aspen, Trembling Aspen
Portulaca oleraceaCommon Purslane, Little Hogweed
Potamogeton amplifoliusLarge-leaved Pondweed, Broad-leaf Pondweed
Potamogeton crispusCurly Pondweed, Curled Pondweed
Potamogeton epihydrusRibbon-leaf Pondweed, American Pondweed
Potamogeton foliosusLeafy Pondweed
Potamogeton gramineusGrass-leaved Pondweed, Variableleaf Pondweed
Potamogeton illinoensisIllinois Pondweed
Potamogeton natansFloating Pondweed, Floating-leaf Pondweed, Broad-leaf Pondweed
Potamogeton nodosusLong-leaved Pondweed, American Pondweed, Knotty Pondweed
Potamogeton obtusifoliusBlunt-leaved Pondweed
Potamogeton praelongusWhite-stem Pondweed, Long-stalked Pondweed
Potamogeton richardsoniiRichardson's Pondweed
Potamogeton robbinsiiRobbin's Pondweed
Potamogeton spirillusSpiral Pondweed, Coiled Pondweed, Northern Snail-seed Pondweed
Potamogeton strictifoliusStraight-leaved Pondweed, Stiff Pondweed, Narrow-leaf Pondweed
Potamogeton vaseyiVasey's Pondweed
Potamogeton zosteriformisFlat-stem Pondweed
Potentilla anserinaSilverweed Cinquefoil, Silver-weed
Potentilla argenteaSilver Cinquefoil, Silvery Cinquefoil
Potentilla hippianaWoolly Cinquefoil, Horse Cinquefoil
Potentilla indicaMock Strawberry, False Strawberry, Indian Strawberry
Potentilla lasiodontaSandhills Cinquefoil
Potentilla norvegicaRough Cinquefoil, Norwegian Cinquefoil
Potentilla pensylvanicaPennsylvania Cinquefoil, Prairie Cinquefoil
Potentilla rectaSulphur Cinquefoil, Rough-fruited Cinquefoil
Potentilla rivalisBrook Cinquefoil
Potentilla simplexCommon Cinquefoil
Potentilla supinaBushy Cinquefoil, Sand Cinquefoil
Primula mistassinicaMistassini Primrose, Bird's-eye Primrose, Dwarf Canadian Primrose
Prosartes trachycarpaRough-fruited Fairybells, Rough-fruited Mandarin
Prunella vulgarisSelf-heal, Heal-all
Prunus americanaWild Plum, American Red Plum
Prunus nigraCanada Plum
Prunus pensylvanicaPin Cherry, Fire Cherry
Prunus pumilaSand Cherry
Prunus serotinaBlack Cherry
Prunus virginianaChokecherry
Pseudognaphalium obtusifoliumSweet Everlasting, Cat-foot, Rabbit-tobacco, Fragrant Cudweed
Psoralidium tenuiflorumSlenderleaf Scurfpea, Wild Alfalfa, Scurfy Pea
Pteridium aquilinumBracken, Western Bracken Fern
Puccinellia distansWeeping Alkaligrass, European Alkali Grass, Spreading Alkali Grass
Puccinellia nuttallianaNuttall's Alkaligrass
Pycnanthemum virginianumVirginia Mountain Mint
Pyrola americanaRound-leaved Pyrola, American Wintergreen
Pyrola asarifoliaPink Pyrola, Bog Wintergreen
Pyrola chloranthaGreen-flowered Pyrola
Pyrola ellipticaShinleaf, Waxflower Shinleaf, Wild Lily-of-the-valley
Pyrola minorSmall Shinleaf, Lesser Wintergreen
Quercus albaWhite Oak
Quercus bicolorSwamp White Oak
Quercus ellipsoidalisNorthern Pin Oak
Quercus macrocarpaBur Oak
Quercus rubraNorthern Red Oak
Quercus velutinaBlack Oak
Ranunculus abortivusLittle-leaf Buttercup, Kidney-leaf Buttercup, Small-flower Crowfoot
Ranunculus acrisTall Buttercup, Common Buttercup, Crowfoot
Ranunculus aquatilisWhite Water Crowfoot, Long-beak Buttercup
Ranunculus cymbalariaAlkali Buttercup, Seaside Crowfoot
Ranunculus fascicularisEarly Buttercup, Tufted Buttercup
Ranunculus flabellarisYellow Water Buttercup, Large Yellow Water Crowfoot
Ranunculus flammulaLesser Spearwort, Creeping Spearwort, Creeping Buttercup
Ranunculus gmeliniiSmall Yellow Water Crowfoot, Gmelin's Buttercup
Ranunculus hispidusHispid Buttercup, Bristly Buttercup, Swamp Buttercup, Marsh Buttercup
Ranunculus lapponicusLapland Buttercup
Ranunculus macouniiMacoun's Buttercup
Ranunculus pensylvanicusPennsylvania Buttercup, Bristly Buttercup, Bristly Crowfoot
Ranunculus recurvatusHooked Buttercup, Blisterwort, Hooked Crowfoot
Ranunculus rhomboideusPrairie Buttercup, Labrador Buttercup
Ranunculus sceleratusCursed Crowfoot, Celery-leaf Buttercup, Cursed Buttercup
Ranunculus testiculatusBur Buttercup, Curveseed Butterwort, Hornseed Buttercup
Raphanus raphanistrumJointed Charlock, Wild Radish
Ratibida columniferaPrairie Coneflower, Upright Prairie Coneflower, Long-headed Coneflower, Mexican Hat
Ratibida pinnataGray-headed Coneflower, Pinnate Prairie Coneflower, Yellow Coneflower
Reynoutria japonicaJapanese Knotweed, Mexican Bamboo, Hancock's Curse
Reynoutria X bohemicaBohemian Knotweed
Rhamnus alnifoliaAlder-leaved Buckthorn, Dwarf Alder, American Alder Buckthorn
Rhamnus catharticaCommon Buckthorn
Rhodiola integrifolia subsp. leedyiLeedy's Roseroot
Rhododendron groenlandicumLabrador Tea
Rhus aromaticaFragrant Sumac, Skunkbush
Rhus glabraSmooth Sumac
Rhus typhinaStaghorn Sumac
Rhynchospora albaWhite Beakrush, White Beaksedge
Rhynchospora capillaceaNeedle Beaksedge, Hair-like Beakrush, Horned Beakrush
Rhynchospora capitellataBrownish Beaksedge, Brownish Beakrush
Rhynchospora fuscaBrown Beaksedge, Brown Beakrush, Sooty-colored Beakrush
Ribes americanumWild Black Currant, American Black Currant, Eastern Black Currant
Ribes aureumGolden Currant, Buffalo Currant, Flowering Currant
Ribes cynosbatiPrickly Gooseberry, Dogberry
Ribes glandulosumSkunk Currant
Ribes hirtellumSwamp Gooseberry, Hairy-stemmed Gooseberry
Ribes hudsonianumNorthern Black Currant, Hudson Bay Currant, Western Black Currant, Stinking Currant
Ribes lacustreSwamp Black Currant, Bristly Swamp Currant, Bristly Black Currant, Prickly Currant, Black Swamp Gooseberry
Ribes missourienseMissouri Gooseberry
Ribes oxyacanthoidesNorthern Gooseberry, Canada Gooseberry
Ribes rubrumGarden Red Currant, Red Currant, Cultivated Currant
Ribes tristeSwamp Red Currant
Robinia hispidaBristly Locust, Prickly Locust, Rose Acacia
Robinia pseudoacaciaBlack Locust
Rorippa palustrisBog Yellow-cress, Marsh Yellow Cress
Rorippa sinuataSpreading Yellow-cress, Creeping Yellow Cress, Western Yellowcress
Rorippa sylvestrisCreeping Yellow-cress
Rosa acicularisPrickly Wild Rose, Prickly Rose
Rosa arkansanaPrairie Rose, Wild Rose
Rosa blandaSmooth Wild Rose, Smooth Rose, Meadow Rose
Rosa multifloraMultiflora Rose
Rosa woodsiiWood's Wild Rose, Wood's Rose
Rotala ramosiorToothcup, Lowland Rotala
Rubus ablatusPlains Blackberry, Mountain Blackberry
Rubus allegheniensisAllegheny Blackberry, Common Blackberry
Rubus alumnusOld Field Blackberry
Rubus arcticusArctic Raspberry, Arctic Bramble, Nagoonbery, Northern Blackberry
Rubus canadensisSmooth Blackberry, Canadian Blackberry, Smooth Highbush Blackberry
Rubus chamaemorusCloudberry, Baked-apple Berry
Rubus ferrofluviusIron River Dewberry
Rubus idaeusWild Red Raspberry, American Red Raspberry, Common Red Raspberry
Rubus multiferKinnickinnick Dewberry
Rubus occidentalisBlack Raspberry
Rubus parviflorusThimbleberry
Rubus parvifoliusSmall-leaf Bramble, Japanese Raspberry, Japanese Bramble, Australian Raspberry, Australian Bramble
Rubus pubescensDwarf Raspberry, Dwarf Red Blackberry
Rubus rosaRose Blackberry
Rubus stipulatusBig Horseshoe Lake Bristleberry
Rubus uniformisUniform Bristleberry, Thornless Dewberry
Rudbeckia hirtaBlack-eyed Susan
Rudbeckia laciniataCut-leaf Coneflower, Green-headed Coneflower, Tall Coneflower, Golden Glow
Rudbeckia subtomentosaSweet Coneflower, Sweet Black-eyed Susan
Rudbeckia trilobaBrown-eyed Susan, Three-lobed Coneflower
Ruellia humilisWild Petunia, Fringe-leaf Ruellia, Prairie Petunia, Hairy Wild Petunia
Rumex acetosaGreen Sorrel, Common Sorrel, Garden Sorrel, Common Sheep Dock
Rumex acetosellaCommon Sheep Sorrel, Red Sorrel
Rumex altissimusPale Dock, Tall Dock
Rumex britannicaGreat Water Dock
Rumex crispusCurly Dock, Curled Dock, Yellow Dock
Rumex fueginusGolden Dock, Seaside Dock, Tierra del Fuego Dock
Rumex longifoliusDooryard Dock, Northern Dock, Domestic Dock
Rumex obtusifoliusBitter Dock, Broad-leaved Dock
Rumex patientiaPatience Dock
Rumex pseudonatronatusField Dock
Rumex stenophyllusNarrowleaf Dock
Rumex triangulivalvisMexican Dock, White Dock, White Willow Dock, Triangular-valved Dock
Rumex verticillatusSwamp Dock, Whorled Water Dock
Sagina nodosaKnotty Pearlwort, Knotted Pearlwort
Sagina procumbensBird's-eye Pearlwort, Procumbent Pearlwort
Sagittaria brevirostraShort-beaked Arrowhead, Midwestern Arrowhead
Sagittaria cristataCrested Arrowhead
Sagittaria cuneataArum-leaved Arrowhead, Northern Arrowhead
Sagittaria latifoliaBroad-leaf Arrowhead, Common Arrowhead, Duck Potato
Sagittaria montevidensis subsp. calycinaHooded Arrowhead, Long-lobe Arrowhead, Mississippi Arrowhead
Sagittaria rigidaSessile-fruited Arrowhead
Salicornia rubraRed Saltwort, Red Glasswort, Western Glasswort, Red Swampfire, Red Samphire
Salix amygdaloidesPeach-leaved Willow
Salix bebbianaBebb's Willow, Beaked Willow
Salix candidaSage-leaved Willow, Hoary Willow
Salix discolorPussy Willow
Salix eriocephalaMissouri River Willow, Heart-leaved Willow
Salix humilisPrairie Willow, Upland Willow
Salix interiorSandbar Willow
Salix lucidaShining Willow
Salix maccallianaMaccalla's Willow, Hoary-fruited Willow
Salix nigraBlack Willow
Salix pedicellarisBog Willow
Salix pellitaSatiny Willow
Salix petiolarisMeadow Willow, Slender Willow, Slender-leaved Willow, Black-bud Willow
Salix planifoliaDiamond-leaf Willow, Tea-leaf Willow, Plane-leaf Willow
Salix pseudomonticolaFalse Mountain Willow
Salix pyrifoliaBalsam Willow
Salix serissimaAutumn Willow
Salix X fragilisCrack Willow, White Crack Willow
Salvia reflexaLance-leaved Sage, Rocky Mountain Sage, Mintweed
Sambucus canadensisCommon Elderberry, Common Black Elder, Canadian Black Elderberry, American Elderberry
Sambucus racemosaRed-berried Elder, Red Elderberry
Sanguinaria canadensisBloodroot
Sanicula canadensisCanadian Black Snakeroot, Canada Sanicle, Short-style Sanicle
Sanicula marilandicaMaryland Black Snakeroot, Maryland Sanicle
Sanicula odorataClustered Black Snakeroot, Gregarious Black Snakeroot, Fragrant Sanicle, Common Black Snakeroot
Sanicula trifoliataBeaked Snakeroot, Large-fruited Black Snakeroot, Large-fruited Sanicle
Saponaria officinalisBouncing Bet, Soapwort
Sarracenia purpureaPurple Pitcher Plant, Northern Pitcher Plant
Saxifraga paniculataEncrusted Saxifrage, White Mountain Saxifrage
Scheuchzeria palustrisRannoch-rush, Pod Grass, Scheuchzeria
Schizachne purpurascensFalse Melic Grass, Purple Oat Grass
Schizachyrium scopariumLittle Bluestem
Schoenoplectiella purshianaWeakstalk Bulrush, Weak-stalk Club-rush, Pursh's Tufted Bulrush
Schoenoplectiella smithiiSmith's Bulrush, Blunt-scale Bulrush
Schoenoplectus acutusHard-stem Bulrush, Hard-stem Club-rush
Schoenoplectus heterochaetusSlender Bulrush, Pale Great Club-rush
Schoenoplectus pungensThree-square Bulrush, Common Three-square
Schoenoplectus subterminalisSwaying Bulrush, Water Bulrush, Water Clubrush
Schoenoplectus tabernaemontaniSoft-stem Bulrush, Soft-stem Club-rush
Schoenoplectus torreyiTorrey's Bulrush
Scilla sibericaSiberian Squill
Scirpus atrocinctusBlack-girdled Woolgrass, Black-girdled Woolsedge, Black-girdled Bulrush
Scirpus atrovirensDark Green Bulrush
Scirpus cyperinusWoolgrass, Common Woolsedge
Scirpus georgianusGeorgia Bulrush
Scirpus hattorianusMosquito Bulrush, Smooth Bulsedge
Scirpus microcarpusSmall-fruited Bulrush, Panicled Bulrush, Barber-pole Bulrush, Small-fruited Bulsedge
Scirpus pallidusPale Bulrush, Pale Bulsedge
Scirpus pedicellatusStalked Bulrush, Stalked Woolsedge
Scirpus pendulusRufous Bulrush, Nodding Bulrush, Red Bulrush
Scleranthus annuusKnawel, German Knotgrass, Annual Knawel
Scleranthus perennisPerennial Knawel
Scleria triglomerataWhip Nutrush, Tall Nutrush, Whip Nutsedge, Stone Rush, Whip-grass
Scleria verticillataWhorled Nutrush, Low Nutrush, Low Nutsedge
Scorzoneroides autumnalisAutumn Hawkbit, Fall Dandelion
Scrophularia lanceolataLance-leaf Figwort, Early Figwort, Hare Figwort
Scrophularia marilandicaMaryland Figwort, Late Figwort, Carpenter's Square, Eastern Figwort
Scutellaria galericulataMarsh Skullcap, Common Skullcap
Scutellaria laterifloraMad-dog Skullcap, Blue Skullcap
Scutellaria leonardiiLeonard's Skullcap, Small Skullcap
Scutellaria ovataHeart-leaved Skullcap, Ovate-leaved Skullcap
Securigera variaCrown Vetch, Purple Crownvetch
Selaginella rupestrisRock Spikemoss, Northern Selaginella, Ledge Spikemoss
Senecio integerrimusLambstongue Ragwort, Entire Ragwort, Western Groundsel
Senecio viscosusSticky Ragwort, Sticky Groundsel
Senecio vulgarisCommon Groundsel
Setaria faberiGiant Foxtail, Chinese Foxtail, Japanese Bristlegrass
Setaria pumilaYellow Foxtail, Yellow Bristlegrass
Setaria verticillataBristly Foxtail, Hooked Foxtail, Hooked Bristlegrass
Setaria viridisGreen Foxtail, Green Bristlegrass
Shepherdia argenteaSilver Buffaloberry
Shepherdia canadensisCanada Buffaloberry, Russet Buffaloberry, Soapberry
Shinnersoseris rostrataAnnual Skeletonweed
Sibbaldiopsis tridentataThree-toothed Cinquefoil, Wineleaf Potentilla
Sicyos angulatusBur Cucumber, Oneseed Burr Cucumber
Silene antirrhinaSleepy Catchfly
Silene csereiiBalkan Catchfly
Silene drummondiiDrummond's Campion
Silene hitchguireiMountain Campion
Silene latifoliaWhite Campion, Bladder Campion, White Cockle
Silene niveaSnowy Campion
Silene noctifloraNight-flowering Catchfly, Night-flowering Campion
Silene stellataStarry Campion, Widowsfrill
Silene vulgarisBladder Campion
Silphium integrifoliumRosinweed, Whole-leaf Rosinweed, Prairie Rosinweed
Silphium laciniatumCompass Plant
Silphium perfoliatumCup Plant
Silphium terebinthinaceumPrairie Dock
Sinapis arvensisCharlock, Wild Mustard, Field Mustard
Sisymbrium altissimumTall Tumble Mustard, Jim Hill Mustard
Sisymbrium loeseliiTall Hedge Mustard, Small Tumbleweed Mustard
Sisymbrium officinaleHedge Mustard
Sisyrinchium campestrePrairie Blue-eyed Grass, White-eyed Grass
Sisyrinchium montanumMountain Blue-eyed Grass
Sisyrinchium mucronatumNeedle-pointed Blue-eyed Grass
Sium suaveWater Parsnip, Hemlock Water Parsnip
Smilax ecirrhataUpright Carrion Flower, Erect Carrion Flower
Smilax illinoensisIllinois Carrion Flower, Illinois Greenbrier
Smilax lasioneuraBlue Ridge Carrion Flower, Common Carrion Flower
Smilax tamnoidesBristly Greenbrier, Chinaroot
Solanum carolinenseHorse Nettle
Solanum dulcamaraBittersweet Nightshade, Climbing Nightshade, Deadly Nightshade, Woody Nightshade
Solanum physalifoliumHairy Nightshade, Hoe Nightshade, Argentine Nightshade, Ground Cherry Nightshade
Solanum ptychanthumBlack Nightshade, Eastern Black Nightshade, West Indian Nightshade
Solanum rostratumBuffalo Bur Nightshade, Kansas Thistle
Solidago altissimaTall Goldenrod, Late Goldenrod
Solidago canadensisCanada Goldenrod, Tall Goldenrod
Solidago flexicaulisZigzag Goldenrod, Broad-leaved Goldenrod
Solidago giganteaGiant Goldenrod, Late Goldenrod
Solidago hispidaHairy Goldenrod
Solidago junceaEarly Goldenrod
Solidago missouriensisMissouri Goldenrod
Solidago mollisVelvety Goldenrod, Soft Goldenrod, Ashy Goldenrod
Solidago nemoralisGray Goldenrod, Field Goldenrod, Old-field Goldenrod
Solidago ptarmicoidesUpland White Goldenrod, Prairie Goldenrod, Sneezewort Aster
Solidago riddelliiRiddell's Goldenrod
Solidago rigidaStiff Goldenrod
Solidago sciaphilaCliff Goldenrod, Driftless Goldenrod, Shadowy Goldenrod
Solidago speciosaShowy Goldenrod
Solidago uliginosaBog Goldenrod
Solidago ulmifoliaElm-leaved Goldenrod
Sonchus arvensisPerennial Sowthistle, Field Sowthistle
Sonchus asperSpiny Sowthistle, Prickly Sowthistle
Sonchus oleraceusCommon Sowthistle, Annual Sowthistle
Sorbus americanaAmerican Mountain-ash
Sorbus aucupariaEuropean Mountain-ash, Rowan
Sorbus decoraShowy Mountain-ash, Northern Mountain-ash
Sorghastrum nutansIndian Grass, Yellow Indian Grass
Sparganium americanumAmerican Bur-reed, Lesser Bur-reed, Nuttall's Bur-reed
Sparganium androcladumBranched Bur-reed, Branching Bur-reed
Sparganium angustifoliumNarrow-leaf Bur-reed, Floating Bur-reed
Sparganium emersumUnbranched Bur-reed, European Bur-reed
Sparganium eurycarpumGiant Bur-reed, Broad-fruit Bur-reed
Sparganium fluctuansFloating Bur-reed
Sparganium glomeratumClustered Bur-reed, Northern Bur-reed
Sparganium natansSmall Bur-reed, Arctic Bur-reed
Spartina pectinataPrairie Cordgrass, Sloughgrass, Freshwater Cordgrass
Spergularia rubraRed Sand Spurrey
Sphaeralcea coccineaScarlet Globe-mallow, Cowboy's Delight, Red False Mallow
Sphenopholis intermediaSlender Wedgegrass, Slender Wedgescale
Sphenopholis obtusataPrairie Wedgegrass, Prairie Wedgescale
Spinulum annotinumStiff Clubmoss, Bristly Clubmoss, Common Interrupted Clubmoss
Spinulum canadenseNorthern Clubmoss, Northern Bristly Clubmoss, Northern Interrupted Clubmoss
Spiraea albaWhite Meadowsweet
Spiraea tomentosaSteeplebush, Hardhack
Spiranthes caseiCase's Ladies'-tresses
Spiranthes cernuaNodding Ladies'-tresses
Spiranthes lacera var. gracilisSouthern Slender Ladies'-tresses
Spiranthes lacera var. laceraNorthern Slender Ladies'-tresses
Spiranthes magnicamporumGreat Plains Ladies'-tresses, Late-flowering Ladies-tresses
Spiranthes romanzoffianaHooded Ladies'-tresses
Spirodela polyrrhizaGreater Duckweed, Great Duckmeal, Common Duckmeat
Sporobolus compositusRough Dropseed, Tall Dropseed, Composite Dropseed
Sporobolus cryptandrusSand Dropseed
Sporobolus heterolepisPrairie Dropseed
Sporobolus neglectusSmall Dropseed, Annual Dropseed, Puffsheath Dropseed
Sporobolus vaginiflorusPoverty Dropseed, Sheathed Dropseed
Stachys hispidaHairy Hedge Nettle, Rough Hedge Nettle
Stachys palustrisMarsh Hedge Nettle, Woundwort
Staphylea trifoliaBladdernut, American Bladdernut
Stellaria gramineaLesser Stitchwort, Grass-leaved Stitchwort, Grass-leaved Chickweed
Stellaria longifoliaLong-leaf Starwort, Long-leaved Stitchwort
Stellaria longipesLong-stalk Starwort, Goldie's Starwort
Stellaria mediaCommon Chickweed
Streptopus amplexifoliusClasping-leaved Twisted-stalk, Watermelon Berry, White Mandarin, Wild Cucumber
Streptopus lanceolatusRose Twisted-stalk, Rose Mandarin, Rosybells, Sessile-leaf Twisted-stalk
Strophostyles helvolaWild Bean, Trailing Fuzzybean, Trailing Wild Bean, Amberique-bean
Strophostyles leiospermaTrailing Pea, Slick-seed Fuzzybean, Small Fuzzy-bean, Smooth-seed Wild Bean
Suaeda calceoliformisSeablite, American Seablite, Pursh's Seepweed, Horned Seepweed
Sullivantia sullivantiiSullivant's Coolwort, Reniform Sullivantia
Symphoricarpos albusSnowberry, Common Snowberry, White Snowberry
Symphoricarpos occidentalisWolfberry, Western Snowberry
Symphyotrichum borealeNorthern Bog Aster, Rush Aster
Symphyotrichum ciliatumRayless Aster, Rayless Alkali Aster, Short-rayed Aster
Symphyotrichum ciliolatumLindley's Aster, Ciliolate Aster, Northern Heart-leaved Aster
Symphyotrichum cordifoliumBlue Wood Aster, Heart-leaved Aster, Heart-leaved American Aster, Broad-leaved Aster, Lowrie's Blue Wood Aster
Symphyotrichum drummondiiDrummond's Aster
Symphyotrichum ericoidesHeath Aster, White Heath Aster
Symphyotrichum laeveSmooth Blue Aster
Symphyotrichum lanceolatumPanicled Aster, Eastern Panicled Aster, White Panicled Aster, Lance-leaved Aster
Symphyotrichum lateriflorumCalico Aster, Side-flowering Aster
Symphyotrichum novae-angliaeNew England Aster
Symphyotrichum oblongifoliumAromatic Aster, Fall Aster
Symphyotrichum ontarionisOntario Aster, Bottomland Aster
Symphyotrichum oolentangienseSky-blue Aster, Azure Aster
Symphyotrichum pilosumAwl Aster, Frost Aster, Hairy White Oldfield Aster
Symphyotrichum prenanthoidesCrooked Aster, Crooked-stem Aster, Zig-zag Aster
Symphyotrichum puniceumPurple-stemmed Aster, Red-stem Aster, Swamp Aster
Symphyotrichum sericeumSilky Aster, Western Silver Aster
Symphyotrichum shortiiShort's Aster
Symphyotrichum urophyllumArrowleaf Aster, White Arrow-leaved Aster, Tail-leaved Aster
Symphytum officinaleCommon Comfrey, Knitbone
Symplocarpus foetidusSkunk Cabbage
Taenidia integerrimaYellow Pimpernel
Tamarix ramosissimaSaltcedar, Tamarisk, Five-stamen Tamarisk
Tanacetum partheniumFeverfew
Tanacetum vulgareCommon Tansy, Golden-buttons
Taraxacum erythrospermumRed-seeded Dandelion
Taraxacum officinaleCommon Dandelion
Taxus canadensisCanada Yew, American Yew, Ground Hemlock
Tephroseris palustrisMarsh Ragwort, Marsh Fleabane, Swamp Ragwort, Swamp Groundsel
Tephrosia virginianaGoat's-rue, Virginia Tephrosia, Catgut, Hoary-pea, Rabbit-pea
Teucrium canadenseGermander, Canada Germander, American Germander, Wood Sage
Thalictrum dasycarpumTall Meadow Rue, Purple Meadow Rue
Thalictrum dioicumEarly Meadow Rue, Quicksilver-weed
Thalictrum thalictroidesRue Anemone, Meadowrue
Thalictrum venulosumVeiny Meadow Rue, Northern Meadow-rue
Thaspium barbinodeHairy-jointed Meadow Parsnip
Thelypteris palustrisNorthern Marsh Fern, Eastern Marsh Fern
Thladiantha dubiaRed Hailstone, Golden Creeper, Manchu Tubergourd
Thlaspi arvenseField Pennycress
Thuja occidentalisWhite Cedar, Arborvitae, Swamp Cedar, Northern White Cedar, Eastern White Cedar
Tilia americanaAmerican Basswood, American Linden, Basswood
Tilia cordataLittle-leaf Linden, Small-leaved Lime
Tofieldia pusillaSmall False Asphodel, Scottish Asphodel, Scotch False Asphodel, Scotch Featherling
Torilis japonicaJapanese Hedge Parsley, Erect Hedge Parsley
Toxicodendron radicansEastern Poison Ivy, Common Poison Ivy
Toxicodendron rydbergiiWestern Poison Ivy
Toxicodendron vernixPoison Sumac
Tradescantia bracteataLong-bracted Spiderwort, Bracted Spiderwort
Tradescantia occidentalisSpiderwort, Prairie Spiderwort, Western Spiderwort
Tradescantia ohiensisOhio Spiderwort, Bluejacket
Tragopogon dubiusYellow Goat's Beard, Yellow Salsify, Fistulous Goat's-beard
Tragopogon pratensisMeadow Goat's Beard, Showy Goat's-beard, Meadow Salsify, Jack-go-to-bed-at-noon
Triadenum fraseriFraser's Marsh St. Johnswort, Bog St. John's-wort
Triantha glutinosaSticky False Asphodel, Sticky Tofieldia
Trichophorum alpinumAlpine Bulrush, Hudson Bay Bulrush, Alpine Club-sedge, Alpine Leafless-Bulrush
Trichophorum cespitosumTufted Bulrush, Tufted Club-sedge, Tufted Club-rush, Tufted Leafless-Bulrush, Deergrass
Trichophorum clintoniiClinton's Bulrush, Clinton's Club-sedge, Clinton's Leafless-Bulrush
Trichostema brachiatumFalse Pennyroyal, Fluxweed
Tridens flavusPurpletop, Grease Grass, Tall Redtop
Trifolium arvenseRabbit-foot Clover, Hare's-foot Clover
Trifolium aureumGolden Clover, Palmate Hop Clover, Yellow Hop Clover
Trifolium campestreLow Hop Clover, Field Clover, Plains Clover
Trifolium fragiferumStrawberry Clover
Trifolium hybridumAlsike Clover
Trifolium incarnatumCrimson Clover
Trifolium pratenseRed Clover
Trifolium repensWhite Clover, Dutch Clover
Triglochin maritimaSeaside Arrowgrass
Triglochin palustrisMarsh Arrowgrass
Trillium cernuumNodding Trillium, Whip-poor-will Flower
Trillium flexipesDrooping Trillium, Nodding Wake-robin, Declined Trillium, Bent Trillium
Trillium grandiflorumLarge-flowered Trillium, White Trillium, Snow Trillium, White Wake Robin
Trillium nivaleSnow Trillium, Dwarf White Trillium, Dwarf White Wake-robin
Triodanis perfoliataClasping-leaved Venus' Looking-glass, Clasping Venus' Looking-glass
Triosteum aurantiacumEarly Horse Gentian, Orange-fruited Horse Gentian, Scarlet-fruited Horse Gentian
Triosteum perfoliatumLate Horse Gentian, Fever-wort, Wild Coffee
Triplasis purpureaPurple Sandgrass
Tripleurospermum inodorumScentless False Mayweed, Scentless Chamomile, False Chamomile
Trisetum spicatumSpike Trisetum, Narrow False Oat, Downy Oatgrass
Tsuga canadensisEastern Hemlock, Canda Hemlock
Turritis glabraTower Mustard, Tower Rockcress
Typha angustifoliaNarrow-leaved Cattail
Typha latifoliaBroad-leaf Cat-tail, Common Cattail
Typha X glaucaHybrid Cattail, White Cattail
Ulmus americanaAmerican Elm, White Elm
Ulmus pumilaSiberian Elm, Chinese Elm
Ulmus rubraRed Elm, Slippery Elm
Ulmus thomasiiRock Elm, Cork Elm
Urtica dioicaStinging Nettle, California Nettle
Utricularia cornutaHorned Bladderwort, Spurred Bladderwort
Utricularia geminiscapaHidden-fruit Bladderwort, Twin-stemmed Bladderwort, Mixed Bladderwort
Utricularia gibbaHumped Bladderwort, Creeping Bladderwort
Utricularia intermediaFlat-leaved Bladderwort
Utricularia minorLesser Bladderwort
Utricularia purpureaPurple-flowered Bladderwort
Utricularia resupinataLavender Bladderwort, Resupinate Bladderwort, Northeastern Bladderwort, Inverted Bladderwort
Utricularia vulgarisCommon Bladderwort, Greater Bladderwort, Hooded Water-Milfoil
Uvularia grandifloraLarge-flowered Bellwort
Uvularia sessilifoliaSessile-leaf Bellwort, Straw Lily, Wild Oats
Vaccinium angustifoliumLowbush Blueberry
Vaccinium caespitosumDwarf Bilberry, Dwarf Huckleberry
Vaccinium macrocarponLarge Cranberry
Vaccinium myrtilloidesVelvet-leaf Blueberry
Vaccinium oxycoccosSmall Cranberry, Bog Cranberry
Vaccinium uliginosumAlpine Bilberry
Vaccinium vitis-idaeaLingonberry, Cowberry, Mountain Cranberry
Valeriana edulisEdible Valerian, Tobacco Root
Valeriana officinalisGarden Heliotrope, Garden Valerian, White Valerian
Vallisneria americanaAmerican Eelgrass, Water Celery, Wild Celery, Tape-grass
Verbascum blattariaMoth Mullein
Verbascum thapsusCommon Mullein, Great Mullein
Verbena bracteataBig-bract Verbena, Prostrate Vervain, Bracted Vervain, Creeping Vervain
Verbena hastataBlue Vervain, Swamp Verbena
Verbena simplexNarrow-leaved Vervain
Verbena strictaHoary Vervain, Hoary Verbena
Verbena urticifoliaWhite Vervain, Nettle-leaf Vervain
Vernonia fasciculataPrairie Ironweed, Western Ironweed, Smooth Ironweed, Bunched Ironweed
Veronica americanaAmerican Speedwell, American Brooklime
Veronica arvensisCorn Speedwell, Wall Speedwell
Veronica catenataWater Speedwell, Pink Water Speedwell
Veronica longifoliaLong-leaved Speedwell, Garden Speedwell
Veronica officinalisCommon Speedwell, Common Gypsyweed, Health Speedwell
Veronica peregrinaPurslane Speedwell, Neckweed
Veronica persicaBird's-eye Speedwell, Persian Speedwell, Common Field Speedwell
Veronica scutellataMarsh Speedwell, Narrow-leaved Speedwell, Skullcap Speedwell
Veronica serpyllifoliaThyme-leaf Speedwell
Veronica vernaSpring Speedwell
Veronicastrum virginicumCulver's Root
Viburnum eduleSquashberry, Highbush Cranberry, Lowbush Cranberry, Mooseberry
Viburnum lentagoNannyberry, Sheepberry
Viburnum opulus var. americanumAmerican Highbush Cranberry
Viburnum opulus var. opulusGuelder-rose, European Highbush Cranberry, Snowball Bush
Viburnum rafinesquianumDowny Arrow-wood
Vicia americanaAmerican Vetch, Purple Vetch
Vicia craccaTufted Vetch, Bird Vetch, Cow Vetch
Vicia sativaCommon Vetch, Spring Vetch, Garden Vetch
Vicia villosaHairy Vetch, Winter Vetch
Vinca minorPeriwinkle, Creeping Myrtle, Running Myrtle, Lesser Periwinkle
Viola aduncaSand Violet, Hooked-spur Violet, Western Dog Violet, Early Blue Violet
Viola cucullataMarsh Blue Violet, Hooded Violet
Viola eriocarpaSmooth Yellow Violet
Viola griseaGreat Lakes Violet
Viola incognitaSweet White Violet, Large-leaved White Violet
Viola labradoricaDog Violet, American Dog Violet, Alpine Violet, Labrador Violet
Viola lanceolataLance-leaved Violet, Bog White Violet, Strap-leaved Violet
Viola macloskeyi var. pallensSmall White Violet, Northern White Violet, Smooth White Violet
Viola nephrophyllaNorthern Bog Violet
Viola nuttalliiYellow Prairie Violet, Nuttall's Violet
Viola pedataBirdfoot Violet, Beardless Birdfoot Violet
Viola pedatifidaPrairie Violet, Bearded Birdfoot Violet
Viola primulifoliaPrimrose-leaved Violet
Viola pubescensDowny Yellow Violet, Smooth Yellow Violet
Viola renifoliaKidney-leaved Violet
Viola rugulosaWestern Canada White Violet, Canada Violet, Rugulose Violet, Rydberg's Violet, Great Plains White Violet
Viola sagittataArrow-leaved Violet, Arrowhead Violet
Viola selkirkiiGreat-spurred Violet, Selkirk's Violet
Viola sororiaCommon Blue Violet, Woolly Blue Violet, Northern Blue Violet
Vitis aestivalisSummer Grape, Silverleaf Grape
Vitis ripariaRiverbank Grape, Wild Grape, Frost Grape
Vulpia octofloraSix-weeks Fescue, Eight-week Fescue, Pull-out Grass, Eight-flower Six-weeks Grass
Waldsteinia fragarioidesBarren Strawberry
Wolffia borealisNorthern Watermeal, Spotted Watermeal
Wolffia columbianaColumbian Watermeal
Woodsia alpinaAlpine Woodsia, Northern Cliff Fern
Woodsia glabellaSmooth Woodsia, Smooth Cliff Fern
Woodsia ilvensisRusty Woodsia, Rusty Cliff Fern
Woodsia obtusaBlunt-lobed Woodsia, Blunt-lobe Cliff Fern
Woodsia oreganaOregon Woodsia, Oregon Cliff Fern, Western Cliff Fern, Cathcart's Woodsia
Woodsia scopulinaRocky Mountain Woodsia, Mountain Cliff Fern
Xanthisma spinulosumCutleaf Ironplant, Lacy Tansyaster, Spiny Goldenaster
Xanthium strumariumCocklebur
Xyris montanaNorthern Yellow-eyed Grass, Bog Yellow-eyed Grass, Montane Yellow-eyed Grass
Xyris tortaTwisted Yellow-eyed Grass, Slender Yellow-eyed Grass
Zanthoxylum americanumPrickly Ash
Zigadenus elegansMountain Death Camas, White Camas
Zizania palustrisWild Rice, Northern Wild Rice
Zizia apteraHeart-leaved Alexanders, Meadow Zizia
Zizia aureaGolden Alexanders, Golden Zizia