More Details
Families: 124
Genera: 492
Species: 1111
Total Taxa: 1171 (including subsp. and var.)
Onoclea sensibilis L. - sensitive fern
Polystichum acrostichoides (Michx.) Schott - Christmas fern
Woodsia ilvensis (L.) R.Br. - rusty woodsia
Woodsia oregana subsp. cathcartiana (B.L.Rob.) Windham - Oregon cliff fern
Elaeagnus angustifolia L. - Russian olive
Equisetum arvense L. - field horsetail
Equisetum fluviatile L. - water horsetail
Equisetum hyemale subsp. affine (Engelm.) Calder & Roy L.Taylor - scouring rush horsetail
Equisetum laevigatum A.Braun - smooth scouring rush
Equisetum palustre L. - marsh horsetail
Equisetum pratense Ehrh. - meadow horsetail
Equisetum scirpoides Michx. - sedge horsetail
Equisetum sylvaticum L. - woodland horsetail
Equisetum x ferrissii Clute (pro sp.) - Ferriss' horsetail
Equisetum x litorale Kühlew. ex Rupr. (pro sp.) - shore horsetail
Arctostaphylos uva-ursi (L.) Spreng. - kinnickinnick
Chamaedaphne calyculata (L.) Moench - leather-leaf
Chimaphila umbellata subsp. umbellata (L.) W.P.C.Barton - prince's-pine
Epigaea repens L. - trailing-arbutus
Gaultheria procumbens L. - wintergreen
Gaylussacia baccata (Wangenh.) K.Koch - huckleberry
Monotropa uniflora L. - Indian-pipe
Pyrola americana Sweet - round-leaved shin-leaf
Pyrola elliptica Nutt. - wax-flower shin-leaf
Vaccinium angustifolium Aiton - low sweet blueberry
Vaccinium macrocarpon Aiton - large cranberry
Euphorbia corollata L. - flowering spurge
Euphorbia cyathophora Murray - wild poinsettia
Euphorbia cyparissias L. - graveyard spurge
Euphorbia davidii Subils - David's spurge
Euphorbia geyeri Engelm. - Geyer's spurge
Euphorbia glyptosperma Engelm. - ridge-seeded spurge
Euphorbia maculata L. - wart-weed
Euphorbia marginata Pursh - snow-on-the-mountain
Euphorbia nutans Lag. - nodding spurge
Euphorbia virgata Waldst. & Kit. - wolf's-milk
Amorpha canescens Pursh - lead-plant
Amorpha fruticosa L. - indigo-bush
Amphicarpaea bracteata (L.) Fernald - hog-peanut
Apios americana Medik. - potato-bean
Astragalus canadensis var. canadensis - Canadian milk-vetch
Baptisia lactea (Raf.) Thieret - white wild indigo
Baptisia leucophaea Nutt. - plains wild indigo
Chamaecrista sp. Moench - Sensitive-Pea
Chamaecrista fasciculata (Michx.) Greene - sleeping-plant
Crotalaria sagittalis L. - arrow-headed rattle-box
Dalea candida var. candida - white prairie-clover
Dalea purpurea var. purpurea - violet prairie-clover
Dalea villosa var. villosa - silky prairie-clover
Desmodium canadense (L.) DC. - showy tick-trefoil
Desmodium cuspidatum var. longifolium (Torr. & A.Gray) B.G.Schub. - large-bracted tick-trefoil
Desmodium illinoense A.Gray - prairie tick-trefoil
Glycyrrhiza lepidota Pursh - wild licorice
Hylodesmum glutinosum (Muhl. ex Willd.) H.Ohashi & R.R.Mill - pointed tick-trefoil
Hylodesmum nudiflorum (L.) H.Ohashi & R.R.Mill - naked tick-trefoil
Lathyrus ochroleucus Hook. - white pea
Lathyrus palustris L. - slender-stem pea-vine
Lathyrus venosus Muhl. ex Willd. - veiny pea-vine
Lespedeza capitata Michx. - round-headed lespedeza
Lotus corniculatus L. - bird's-foot trefoil
Lupinus perennis L. - wild lupine
Medicago lupulina L. - black medick
Medicago sativa subsp. sativa - blue alfalfa
Melilotus albus Medik. - white sweet-clover
Melilotus officinalis (L.) Lam. - yellow sweet-clover
Robinia pseudoacacia L. - black locust
Securigera varia (L.) Lassen - purple crown-vetch
Strophostyles leiosperma (Torr. & A.Gray) Piper - small-flowered wooly bean
Tephrosia virginiana (L.) Pers. - Virginia tephrosia
Trifolium arvense L. - rabbit-foot clover
Trifolium pratense L. - red clover
Trifolium repens L. - white clover
Vicia americana subsp. americana - American vetch
Vicia sativa subsp. nigra (L.) Ehrh. - spring vetch
Vicia villosa Roth - winter vetch
Quercus alba L. - white oak
Quercus bicolor Willd. - swamp white oak
Quercus ellipsoidalis E.J.Hill - northern pin oak
Quercus macrocarpa Michx. - bur oak
Quercus rubra L. - northern red oak
Quercus velutina Lam. - black oak
Bartonia virginica (L.) Britton, Sterns & Poggenb. - yellow screw-stem
Gentiana alba Muhl. ex Nutt. - yellow gentian
Gentiana andrewsii var. andrewsii - prairie closed gentian
Gentiana puberulenta J.S.Pringle - prairie gentian
Gentianopsis crinita (Froel.) Ma - greater fringed gentian
Geranium carolinianum var. confertiflorum Fernald - Carolina geranium
Geranium maculatum L. - wild geranium
Ribes americanum Mill. - wild black currant
Ribes aureum var. villosum Pursh - clove currant
Ribes cynosbati L. - prickly wild gooseberry
Ribes hirtellum Michx. - swamp gooseberry
Ribes missouriense Nutt. - wild gooseberry
Myriophyllum sibiricum Kom. - short-spike water-milfoil
Myriophyllum spicatum L. - spike water-milfoil
Hamamelis virginiana L. - American witch-hazel
Elodea canadensis Michx. - common waterweed
Elodea nuttallii (Planch.) H.St.John - slender waterweed
Najas flexilis (Willd.) Rostk. & W.L.E.Schmidt - slender naiad
Najas guadalupensis subsp. guadalupensis - southern water-nymph
Vallisneria americana Michx. - water-celery
Hypericum ascyron L. - great St. John's-wort
Hypericum kalmianum L. - Kalm's St. John's-wort
Hypericum majus (A.Gray) Britton - larger Canadian St. John's-wort
Hypericum mutilum L. - weak St. John's-wort
Hypericum perforatum L. - St. John's-wort
Hypericum punctatum Lam. - spotted St. John's-wort
Triadenum fraseri (Spach) Gleason - Fraser's marsh St. John's-wort
Hypoxis hirsuta (L.) Coville - yellow star-grass
Iris pseudacorus L. - pale-yellow iris
Iris versicolor L. - northern blue flag
Iris virginica var. shrevei (Small) E.S.Anderson - Virginia iris
Sisyrinchium angustifolium Mill. - stout blue-eyed-grass
Sisyrinchium campestre E.P.Bicknell - prairie blue-eyed-grass
Carya cordiformis (Wangenh.) K.Koch - yellow-bud hickory
Carya ovata var. ovata - shellbark hickory
Juglans cinerea L. - white walnut
Juglans nigra L. - black walnut
Juncus brevicaudatus (Engelm.) Fernald - narrow-panicle rush
Juncus canadensis J.Gay - Canadian rush
Juncus dudleyi Wiegand - Dudley's rush
Juncus effusus L. - soft rush
Juncus greenei Oakes & Tuck. - Greene's rush
Juncus nodosus L. - knotted rush
Juncus tenuis Willd. - roadside rush
Luzula acuminata var. acuminata - hairy wood rush
Luzula multiflora subsp. multiflora - common wood rush
Agastache scrophulariaefolia (Willd.) Kuntze - purple giant hyssop
Glechoma hederacea L. - ground-ivy
Glechoma hederacea var. micrantha Moric. - ground-ivy
Hedeoma hispida Pursh - rough pennyroyal
Hedeoma pulegioides (L.) Pers. - American pennyroyal
Lamium amplexicaule L. - dead-nettle
Leonurus cardiaca L. - motherwort
Lycopus americanus Muhl. ex W.P.C.Barton - common water-horehound
Lycopus uniflorus Michx. - northern water-horehound
Lycopus virginicus L. - Virginia water-horehound
Mentha canadensis L. - wild mint
Mentha spicata L. - spearmint
Mentha X villosa Huds. (pro sp.) - foxtail mint
Monarda didyma L. - scarlet bee balm
Monarda fistulosa subsp. fistulosa - wild bergamot
Nepeta cataria L. - catnip
Physostegia virginiana subsp. virginiana - obedience
Prunella vulgaris subsp. lanceolata (W.P.C.Barton) Hultén - lance self-heal
Pycnanthemum virginianum (L.) B.L.Rob. & Fernald - Virginia mountain mint
Scutellaria galericulata L. - marsh skullcap
Scutellaria lateriflora L. - mad-dog skullcap
Scutellaria parvula var. missouriensis (Torr.) Goodman & C.A.Lawson - smooth small skullcap
Stachys palustris L. - woundwort
Stachys tenuifolia var. tenuifolia - smooth hedge-nettle
Teucrium canadense L. - wood sage
Teucrium canadense var. virginicum (L.) Eaton - wood sage
Utricularia intermedia Hayne - northern bladderwort
Utricularia vulgaris L. - great bladderwort
Erythronium albidum Nutt. - white trout-lily
Erythronium americanum subsp. americanum - yellow trout-lily
Lilium michiganense Farw. - Turk's-cap lily
Lilium philadelphicum L. - wood lily
Floerkea proserpinacoides Willd. - false mermaid-weed
Linum sulcatum Riddell - grooved yellow flax
Lindernia dubia (L.) Pennell - moist bank pimpernel
Lindernia dubia var. dubia - yellow-seed false pimpernel
Dendrolycopodium obscurum (L.) A. Haines - rare club-moss
Diphasiastrum tristachyum (Pursh) Holub - northern ground-pine
Huperzia lucidula (Michx.) Trevis. - shining fir-moss
Huperzia porophila (F.E.Lloyd & Underw.) Holub - rock club-moss
Lycopodium clavatum L. - staghorn club-moss
Decodon verticillatus (L.) Elliott - whorled loosestrife
Lythrum salicaria L. - spiked loosestrife
Abutilon theophrasti Medik. - velvet-leaf
Callirhoe triangulata (Leavenw.) A.Gray - clustered poppy mallow
Hibiscus trionum L. - flower-of-an-hour
Malva neglecta Wallr. - common mallow
Napaea dioica L. - glade mallow
Tilia americana var. americana - basswood
Anticlea elegans var. glauca (Pursh) Rydb. - white camas
Trillium flexipes Raf. - nodding wake-robin
Trillium grandiflorum (Michx.) Salisb. - white wake-robin
Menispermum canadense L. - common moonseed
Mollugo verticillata L. - Indian chickweed
Claytonia virginica L. - Virginia spring-beauty
Phemeranthus rugospermus (Holz.) Kiger - sand fame-flower
Morus alba L. - white mulberry
Aletris farinosa L. - white stargrass
Nelumbo lutea Willd. - water-chinquapin
Mirabilis albida (Walter) Heimerl - white four-o'clock
Mirabilis nyctaginea (Michx.) MacMill. - wild four-o'clock
Nuphar variegata Durand - bull-head pond-lily
Nymphaea odorata Aiton - fragrant water-lily
Nymphaea odorata subsp. tuberosa (Paine) Wiersema & Hellq. - white water-lily
Fraxinus americana L. - white ash
Fraxinus nigra Marshall - black ash
Fraxinus pennsylvanica Marshall - red ash
Circaea alpina subsp. alpina - small enchanter's-nightshade
Circaea canadensis subsp. canadensis (L.) Hill - broad-leaf enchanter's-nightshade
Epilobium coloratum Biehler - eastern willow-herb
Epilobium leptophyllum Raf. - fen willow-herb
Ludwigia palustris (L.) Elliott - water-purslane
Ludwigia polycarpa Short & R.Peter - top-pod water-primrose
Oenothera biennis L. - common evening-primrose
Oenothera clelandii W.Dietr., P.H.Raven & W.L.Wagner - sand evening-primrose
Oenothera laciniata subsp. laciniata - ragged evening-primrose
Oenothera nuttallii Sweet - white evening-primrose
Oenothera parviflora L. - small-flowered evening-primrose
Oenothera perennis L. - small sundrops
Oenothera rhombipetala Nutt. ex Torr. & A.Gray - long-spike evening-primrose
Botrypus virginianus (L.) Michx. - rattlesnake fern
Ophioglossum pusillum Raf. - northern adder's-tongue
Sceptridium dissectum (Spreng.) Lyon - lace-frond grape fern
Sceptridium multifidum (S.G.Gmel.) M.Nishida - leather-leaved grape fern
Calopogon tuberosus var. tuberosus - tuberous grass pink
Corallorhiza odontorhiza var. odontorhiza - small-flowered coralroot
Cypripedium parviflorum var. pubescens (Willd.) O.W.Knight - large yellow lady's-slipper
Cypripedium reginae Walter - showy lady's-slipper
Galearis spectabilis (L.) Raf. - showy orchis
Goodyera pubescens (Willd.) R.Br. - downy rattlesnake-plantain
Liparis liliifolia (L.) Rich. ex Lindl. - purple twayblade
Platanthera flava var. herbiola (R.Br.) Luer - tubercled orchid
Platanthera huronensis (Nutt.) Lindl. - tall nothern bog orchid
Platanthera lacera (Michx.) G.Don - ragged fringed orchid
Platanthera psycodes (L.) Lindl. - lesser purple fringed orchid
Spiranthes cernua (L.) Rich. - nodding lady's-tresses
Spiranthes magnicamporum Sheviak - Great Plains lady's-tresses
Agalinis aspera (Douglas ex Benth.) Britton - tall false foxglove
Agalinis gattingeri (Small) Small - round-stemmed false foxglove
Agalinis tenuifolia (Vahl) Raf. - common false foxglove
Aureolaria pedicularia var. ambigens (Fernald) Farw. - fern-leaf yellow false foxglove
Castilleja coccinea (L.) Spreng. - scarlet painted-cup
Castilleja sessiliflora Pursh - downy painted-cup
Conopholis americana (L.) Wallr. - American squawroot
Orobanche fasciculata Nutt. - clustered broom-rape
Orobanche uniflora L. - one-flowered broom-rape
Pedicularis canadensis subsp. canadensis - wood-betony
Pedicularis lanceolata Michx. - swamp-lousewort
Osmunda claytoniana L. - interrupted fern
Osmunda regalis var. spectabilis (Willd.) A.Gray - royal fern
Oxalis corniculata L. - creeping yellow wood-sorrel
Oxalis dillenii Jacq. - southern yellow wood-sorrel
Oxalis stricta L. - tall wood-sorrel
Oxalis violacea L. - violet wood-sorrel
Argemone albiflora subsp. albiflora - blue-stem prickly poppy
Corydalis micrantha subsp. micrantha - small-flowered corydalis
Dicentra canadensis (Goldie) Walp. - squirrel-corn
Dicentra cucullaria (L.) Bernh. - Dutchman's-breeches
Sanguinaria canadensis L. - bloodroot
Penthorum sedoides L. - ditch stonecrop
Mimulus glabratus var. jamesii (Torr. & A.Gray ex Benth.) A.Gray - round-leaved monkey-flower
Mimulus ringens var. ringens - monkey-flower
Phryma leptostachya L. - American lop-seed
Phytolacca americana var. americana - pokeweed
Larix laricina (Du Roi) K.Koch - tamarack
Picea glauca (Moench) Voss - white spruce
Pinus banksiana Lamb. - jack pine
Pinus resinosa Aiton - red pine
Pinus strobus L. - eastern white pine
Tsuga canadensis (L.) Carrière - northern hemlock
Chaenorhinum minus (L.) Lange - small snapdragon
Chelone glabra L. - white turtlehead
Gratiola neglecta Torr. - clammy hedge-hyssop
Linaria vulgaris Mill. - butter-and-eggs
Nuttallanthus canadensis (L.) D.A.Sutton - Canada toadflax
Penstemon digitalis Nutt. ex Sims - tall white beard-tongue
Penstemon gracilis Nutt. - slender beard-tongue
Penstemon gracilis subsp. gracilis - slender beard-tongue
Penstemon gracilis subsp. wisconsinensis (Pennell) Pennell - Wisconsin penstemon
Penstemon grandiflorus Nutt. - large-flowered beard-tongue
Plantago aristata Michx. - large-bracted plantain
Plantago lanceolata L. - ribgrass
Plantago major L. - plantain
Plantago media L. - hoary plantain
Plantago patagonica Jacq. - woolly plantain
Plantago rugelii Decne. - Rugel's plantain
Veronica beccabunga var. americana L. - American speedwell
Veronica dillenii Crantz - Dillenius' speedwell
Veronica peregrina L. - purslane speedwell
Veronica peregrina subsp. xalapensis (Kunth) Pennell - purslane speedwell
Veronica polita Fr. - wayside speedwell
Veronica scutellata L. - skullcap speedwell
Veronicastrum virginicum (L.) Farw. - Culver's-root
Agropyron cristatum (L.) Gaertn. - crested wheatgrass
Agrostis gigantea Roth - redtop
Agrostis hyemalis (Walter) Britton, Sterns & Poggenb. - winter bent grass
Agrostis perennans var. perennans - upland bent grass
Agrostis scabra Willd. - ticklegrass
Andropogon gerardii Vitman - turkey-foot
Aristida basiramea Engelm. ex Vasey - fork-tip three-awn grass
Aristida longespica var. geniculata (Raf.) Fernald - slim-spike three-awn grass
Aristida oligantha Michx. - plains three-awn grass
Aristida purpurascens var. purpurascens - arrow-feather three-awn
Aristida tuberculosa Nutt. - seaside three-awn
Beckmannia syzigachne (Steud.) Fernald - American slough grass
Bouteloua curtipendula var. curtipendula - side-oats grama
Bouteloua hirsuta subsp. hirsuta - hairy grama grass
Brachyelytrum erectum (Schreb.) P.Beauv. - southern shorthusk
Bromus arvensis L. - fringed brome
Bromus ciliatus L. - fringed brome
Bromus inermis Leyss. - smooth brome
Bromus kalmii A.Gray - prairie brome
Bromus latiglumis (Scribn. ex Shear) Hitchc. - flanged brome
Bromus pubescens Muhl. ex Willd. - hairy woodland brome
Bromus secalinus L. - rye brome
Bromus tectorum L. - June grass
Calamagrostis canadensis (Michx.) P.Beauv. - blue-joint grass
Calamagrostis canadensis var. canadensis - blue-joint grass
Calamovilfa longifolia var. longifolia - prairie sand-reed
Cenchrus longispinus (Hack.) Fernald - sandbur
Cinna arundinacea L. - stout wood-reed
Dactylis glomerata L. - orchard grass
Danthonia spicata (L.) P.Beauv. ex Roem. & Schult. - poverty oat grass
Dichanthelium acuminatum var. fasciculatum (Sw.) Gould & C.A.Clark - hairy panic grass
Dichanthelium acuminatum var. lindheimeri (Sw.) Gould & C.A.Clark - Lindheimer's panic grass
Dichanthelium boreale (Nash) Freckmann - northern panic grass
Dichanthelium commonsianum var. euchlamydeum (Ashe) Freckmann - Shinner's panic grass
Dichanthelium depauperatum (Muhl.) Gould - starved panic grass
Dichanthelium latifolium (L.) Harvill - broad-leaved panic grass
Dichanthelium linearifolium (Scribn.) Gould - slender-leaved panic grass
Dichanthelium meridionale (Ashe) Freckmann - slender panic grass
Dichanthelium oligosanthes var. scribnerianum (Schult.) Gould - Scribner's panic grass
Dichanthelium perlongum (Nash) Freckmann - long-stalked panic grass
Digitaria cognata - fall witch grass
Digitaria ischaemum (Schreb.) Muhl. - smooth crabgrass
Digitaria sanguinalis (L.) Scop. - northern crabgrass
Distichlis spicata (L.) Greene - spike grass
Echinochloa crus-galli (L.) P.Beauv. - large barnyard grass
Echinochloa muricata (P.Beauv.) Fernald - rough barnyard grass
Echinochloa muricata var. microstachya Wiegand - rough barnyard grass
Echinochloa muricata var. muricata - rough barnyard grass
Echinochloa walteri (Pursh) A.Heller - water-millet
Eleusine indica (L.) Gaertn. - yard grass
Elymus canadensis L. - Great Plains wild-rye
Elymus hystrix var. bigeloviana (Fernald) Bowden - eastern bottlebrush grass
Elymus hystrix var. hystrix - glumeless wild-rye
Elymus repens (L.) Gould - quackgrass
Elymus villosus var. villosus - silky wild-rye
Elymus virginicus var. virginicus - Virginia wild-rye
Eragrostis cilianensis (All.) Vignolo ex Janch. - stink grass
Eragrostis frankii C.A.Mey. ex Steud. - sandbar love grass
Eragrostis hypnoides (Lam.) Britton, Sterns & Poggenb. - teal love grass
Eragrostis minor Host - little love grass
Eragrostis pectinacea var. pectinacea - tufted love grass
Eragrostis pilosa var. pilosa - Indian love grass
Eragrostis spectabilis (Pursh) Steud. - tumble grass
Festuca octoflora var. glauca Walter - six-weeks fescue
Festuca rubra subsp. rubra - red fescue
Festuca subverticillata (Pers.) E.B.Alexeev - nodding fescue
Festuca trachyphylla (Hack.) Krajina - sheep fescue
Glyceria canadensis (Michx.) Trin. - Canada manna grass
Glyceria grandis S.Watson - reed manna grass
Glyceria striata (Lam.) Hitchc. - ridged glyceria
Hesperostipa spartea (Trin.) Barkworth - porcupine grass
Hordeum jubatum L. - squirrel-tail grass
Koeleria macrantha (Ledeb.) Schult. - prairie June grass
Leersia lenticularis Michx. - oatmeal grass
Leersia oryzoides (L.) Sw. - rice cutgrass
Leersia virginica Willd. - whitegrass
Lolium arundinaceum (Schreb.) Darbysh. - tall fescue
Lolium perenne subsp. multiflorum (Lam.) Husn. - Italian rye grass
Lolium pratense (Huds.) Darbysh. - rye grass
Milium effusum L. - wood millet
Miscanthus sacchariflorus (Maxim.) Benth. - Japanese plume grass
Muhlenbergia cuspidata (Torr. ex Hook.) Rydb. - prairie satin grass
Muhlenbergia frondosa (Poir.) Fernald - wire-stem muhly
Muhlenbergia glomerata (Willd.) Trin. - spiked muhly
Muhlenbergia mexicana (L.) Trin. - wire-stem muhly
Muhlenbergia racemosa (Michx.) Britton, Sterns & Poggenb. - upland wild-Timothy
Muhlenbergia schreberi J.F.Gmel. - nimble-will muhly
Oryzopsis asperifolia Michx. - winter grass
Panicum capillare subsp. capillare - witch grass
Panicum dichotomiflorum subsp. dichotomiflorum - knee grass
Panicum philadelphicum subsp. philadelphicum - Philadephia panic grass
Panicum virgatum L. - switch grass
Paspalum setaceum var. stramineum (Nash) D.J.Banks - yellow sand paspalum
Patis racemosa "(Sm.) Romasch., P.M.Peterson & R.J.Soreng" - mountain rice grass
Phalaris arundinacea L. - reed canary grass
Phleum pratense subsp. pratense - timothy
Phragmites australis (Cav.) Trin. ex Steud. - common reed grass
Piptatheropsis pungens "(Torr. ex Spreng.) Romasch., P.M.Peterson & R.J.Soreng " - short-horned rice grass
Poa alsodes A.Gray - woodland bluegrass
Poa annua L. - speargrass
Poa compressa L. - wiregrass
Poa palustris L. - marsh bluegrass
Poa pratensis L. - Kentucky bluegrass
Poa sylvestris A.Gray - woodland bluegrass
Schizachne purpurascens (Torr.) Swallen - false melic grass
Schizachyrium scoparium (Michx.) Nash - broom beard grass
Schizachyrium scoparium var. scoparium - little blue-stem
Secale cereale L. - rye
Setaria faberi R.A.W.Herrm. - nodding foxtail
Setaria pumila subsp. pumila - yellow foxtail
Setaria verticillata (L.) P.Beauv. - hooked bristle grass
Setaria viridis (L.) P.Beauv. - green foxtail
Setaria viridis var. viridis - green foxtail
Sorghastrum nutans (L.) Nash - yellow Indian grass
Spartina pectinata Link - slough grass
Sphenopholis intermedia (Rydb.) Rydb. - slender wedge grass
Sphenopholis obtusata (Michx.) Scribn. - prairie wedge scale
Sporobolus cryptandrus (Torr.) A.Gray - sand drop-seed
Sporobolus cryptandrus var. cryptandrus - sand drop-seed
Sporobolus cryptandrus var. fuscicola (Hook.) Pohl - sand drop-seed
Sporobolus heterolepis (A.Gray) A.Gray - prairie drop-seed
Sporobolus vaginiflorus var. vaginiflorus - sheathed drop-seed
Tridens flavus var. flavus - purple-top
Triplasis purpurea (Walter) Chapm. - purple sand grass
Zizania aquatica L. - southern wild rice
Zizania palustris var. interior (Fassett) Dore - northern wild rice
Phlox divaricata subsp. laphamii (A.W.Wood) Wherry - woodland phlox
Phlox paniculata L. - summer phlox
Phlox pilosa subsp. fulgida (Wherry) Wherry - prairie phlox
Polemonium reptans var. reptans - spreading Jacob's-ladder
Polygala cruciata L. - drum-heads
Polygala polygama var. obtusata Chodat - racemed milkwort
Polygala sanguinea L. - purple milkwort
Polygala senega L. - senega root
Polygala verticillata var. sphenostachya Pennell - whorled milkwort
Fallopia cilinodis (Michx.) Holub - fringed black bindweed
Fallopia convolvulus (L.) Á.Löve - false buckwheat
Fallopia japonica var. japonica - Mexican bamboo
Fallopia sachalinensis (F.W.Schmidt) Ronse Decr. - giant knotweed
Fallopia scandens (L.) Holub - climbing false buckwheat
Persicaria amphibia (L.) Gray - water smartweed
Persicaria arifolia (L.) Haraldson - Halberd-leaf tearthumb
Persicaria hydropiper (L.) Spach - water-pepper
Persicaria hydropiperoides (Michx.) Small - swamp smartweed
Persicaria lapathifolia (L.) Gray - pale smartweed
Persicaria maculosa Gray - spotted lady's-thumb
Persicaria pensylvanica (L.) M.Gómez - pinkweed
Persicaria punctata (Elliott) Small - dotted smartweed
Persicaria sagittata (L.) H.Gross - arrow vine
Persicaria virginiana (L.) Gaertn. - woodland knotweed
Polygonella articulata (L.) Meisn. - northern jointweed
Polygonum achoreum S.F.Blake - Blake's knotweed
Polygonum aviculare - doorweed
Polygonum aviculare subsp. buxiforme L. - boxwood knotweed
Polygonum aviculare subsp. depressum L. - door-yard knotweed
Polygonum ramosissimum - bushy knotweed
Polygonum tenue Michx. - slender knotweed
Rumex acetosella L. - sheep sorrel
Rumex altissimus Alph.Wood - tall dock
Rumex britannica L. - British dock
Rumex crispus L. - yellow dock
Rumex obtusifolius L. - bitter dock
Rumex verticillatus L. - water dock
Polypodium virginianum L. - rock polypody
Heteranthera dubia (Jacq.) MacMill. - water star-grass
Pontederia cordata L. - pickerel-weed
Portulaca oleracea L. - pusley
Potamogeton amplifolius Tuck. - large-leaved pondweed
Potamogeton crispus L. - curly pondweed
Potamogeton diversifolius Raf. - water-thread pondweed
Potamogeton epihydrus Raf. - ribbon-leaved pondweed
Potamogeton foliosus subsp. foliosus - leafy pondweed
Potamogeton natans L. - floating-leaf pondweed
Potamogeton nodosus Poir. - long-leaved pondweed
Potamogeton richardsonii (A.Benn.) Rydb. - Richardson's pondweed
Potamogeton strictifolius A.Benn. - straight-leaved pondweed
Potamogeton vaseyi J.W.Robbins - Vasey's pondweed
Potamogeton zosteriformis Fernald - flat-stemmed pondweed
Stuckenia pectinata (L.) Börner - sago pondweed
Zannichellia palustris L. - horned-pondweed
Androsace occidentalis Pursh - western rock jasmine
Lysimachia ciliata L. - fringed loosestrife
Lysimachia hybrida Michx. - river loosestrife
Lysimachia lanceolata Walter - lance-leaved loosestrife
Lysimachia nummularia L. - creeping jenny
Lysimachia quadriflora Sims - smooth loosestrife
Lysimachia quadrifolia L. - whorled yellow loosestrife
Lysimachia terrestris (L.) Britton, Sterns & Poggenb. - swamp loosestrife
Lysimachia thyrsiflora L. - tufted loosestrife
Primula fassettii A.R.Mast & Reveal - jeweled shooting-star
Trientalis borealis Raf. - maystar
Adiantum pedatum L. - northern maidenhair fern
Cryptogramma stelleri (S.G.Gmel.) Prantl - Steller's rock brake
Pellaea glabella subsp. glabella - smooth cliff brake
Actaea pachypoda Elliott - white baneberry
Actaea rubra (Aiton) Willd. - red baneberry
Anemone acutiloba (DC.) G.Lawson - sharp-lobed hepatica
Anemone americana (DC.) H.Hara - round-lobed hepatica
Anemone canadensis L. - meadow anemone
Anemone cylindrica A.Gray - thimbleweed
Anemone patens var. multifida Pritz. - prairie-smoke
Anemone quinquefolia var. quinquefolia - wood anemone
Anemone virginiana L. - tall thimbleweed
Anemone virginiana var. alba (Oakes) A.W.Wood - thimbleweed
Anemone virginiana var. virginiana - tall thimbleweed
Aquilegia canadensis L. - wild columbine
Caltha palustris L. - yellow marsh-marigold
Clematis occidentalis var. occidentalis - western blue virgin's-bower
Clematis virginiana L. - virgin's-bower
Coptis trifolia (L.) Salisb. - three-leaved gold-thread
Delphinium carolinianum subsp. virescens (Nutt.) R.E.Brooks - white larkspur
Enemion biternatum Raf. - false rue anemone
Ranunculus abortivus L. - small-flowered buttercup
Ranunculus aquatilis var. diffusus With. - white water crowfoot