More Details
Families: 127
Genera: 559
Species: 1296
Total Taxa: 1393 (including subsp. and var.)
Dichanthelium perlongum (Nash) Freckmann - long-stalked panic grass
Dichanthelium villosissimum var. praecocius (Nash) Freckmann - prairie panic grass
Digitaria cognata - fall witch grass
Digitaria ischaemum (Schreb.) Muhl. - smooth crabgrass
Digitaria sanguinalis (L.) Scop. - northern crabgrass
Diplachne fusca subsp. fascicularis (L.) P. Beauv. ex Roem. & Schult. - bearded sprangle-top
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 L. - glumeless wild-rye
Elymus hystrix var. bigeloviana (Fernald) Bowden - eastern bottlebrush grass
Elymus hystrix var. hystrix - glumeless wild-rye
Elymus repens (L.) Gould - quackgrass
Elymus trachycaulus (Link) Gould ex Shinners - slender wheat grass
Elymus trachycaulus subsp. subsecundus (Link) A.Löve & D.Löve - one-sided wheat grass
Elymus trachycaulus subsp. trachycaulus - slender wheat grass
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 mexicana subsp. mexicana - New Mexico 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 L. - red 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 maxima (Hartm.) Holmb. - tall manna grass
Glyceria septentrionalis Hitchc. - northern manna grass
Glyceria striata (Lam.) Hitchc. - ridged glyceria
Hesperostipa spartea (Trin.) Barkworth - porcupine grass
Hordeum jubatum L. - squirrel-tail grass
Hordeum vulgare L. - common barley
Koeleria macrantha (Ledeb.) Schult. - prairie June grass
Leersia oryzoides (L.) Sw. - rice cutgrass
Leersia virginica Willd. - whitegrass
Lolium arundinaceum (Schreb.) Darbysh. - tall fescue
Lolium perenne L. - perennial rye grass
Lolium perenne subsp. multiflorum (Lam.) Husn. - Italian rye grass
Lolium perenne subsp. perenne - perennial rye grass
Lolium pratense (Huds.) Darbysh. - rye grass
Milium effusum L. - wood millet
Muhlenbergia asperifolia (Nees & Meyen ex Trin.) Parodi - scratch 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
Muhlenbergia tenuiflora (Willd.) Britton, Sterns & Poggenb. - woodland drop-seed
Nassella viridula (Trin.) Barkworth - green needle grass
Oryzopsis asperifolia Michx. - winter grass
Panicum capillare subsp. capillare - witch grass
Panicum dichotomiflorum subsp. dichotomiflorum - knee grass
Panicum miliaceum L. - wild proso millet
Panicum miliaceum subsp. miliaceum - wild proso millet
Panicum virgatum L. - switch grass
Pascopyrum smithii (Rydb.) Barkworth & D.R.Dewey - western wheat grass
Patis racemosa "(Sm.) Romasch., P.M.Peterson & R.J.Soreng" - mountain rice grass
Phalaris arundinacea L. - reed canary grass
Phalaris canariensis L. - common canary grass
Phleum pratense subsp. pratense - timothy
Phragmites australis (Cav.) Trin. ex Steud. - common reed grass
Poa alsodes A.Gray - woodland bluegrass
Poa annua L. - speargrass
Poa compressa L. - wiregrass
Poa languida Hitchc. - weak bluegrass
Poa nemoralis L. - wood bluegrass
Poa paludigena Fernald & Wiegand - Patterson's bluegrass
Poa palustris L. - marsh bluegrass
Poa pratensis L. - Kentucky bluegrass
Poa sylvestris A.Gray - woodland bluegrass
Poa trivialis L. - rough bluegrass
Puccinellia distans (Jacq.) Parl. - weeping alkali grass
Puccinellia distans subsp. distans - weeping alkali grass
Puccinellia nuttalliana (Schult.) Hitchc. - Nuttall's alkali grass
Schizachne purpurascens (Torr.) Swallen - false melic grass
Schizachyrium scoparium var. scoparium - little blue-stem
Secale cereale L. - rye
Setaria italica (L.) P.Beauv. - foxtail millet
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
Sorghum halepense (L.) Pers. - Johnson grass
Spartina pectinata Link - slough grass
Sphenopholis intermedia (Rydb.) Rydb. - slender wedge grass
Sphenopholis obtusata (Michx.) Scribn. - prairie wedge scale
Sporobolus compositus var. compositus - tall drop-seed
Sporobolus cryptandrus var. fuscicola (Hook.) Pohl - sand drop-seed
Sporobolus vaginiflorus var. vaginiflorus - sheathed drop-seed
Triticum aestivum L. - wheat
Zizania aquatica L. - southern wild rice
Zizania palustris var. palustris - northern wild rice
Collomia linearis Nutt. - narrow-leaved mountain trumpet
Phlox divaricata subsp. laphamii (A.W.Wood) Wherry - woodland phlox
Phlox pilosa L. - prairie phlox
Phlox pilosa subsp. fulgida (Wherry) Wherry - prairie phlox
Polemonium reptans var. reptans - spreading Jacob's-ladder
Polygala sanguinea L. - purple milkwort
Polygala senega L. - senega root
Polygala verticillata var. isocycla Fernald - short whorled milkwort
Fallopia convolvulus (L.) Á.Löve - false buckwheat
Fallopia japonica var. japonica - Mexican bamboo
Fallopia X bohemica (Chrtek & Chrtkova) J.P.Bailey - Bohemian knotweed
Persicaria amphibia (L.) Gray - water smartweed
Persicaria arifolia (L.) Haraldson - Halberd-leaf tearthumb
Persicaria hydropiper (L.) Spach - water-pepper
Persicaria lapathifolia (L.) Gray - pale smartweed
Persicaria maculosa Gray - spotted lady's-thumb
Persicaria orientalis (L.) Spach - prince's-feather
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
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 erectum L. - erect knotweed
Polygonum ramosissimum - bushy 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
Heteranthera dubia (Jacq.) MacMill. - water star-grass
Potamogeton foliosus subsp. foliosus - leafy pondweed
Potamogeton gramineus L. - variable-leaved pondweed
Potamogeton natans L. - floating-leaf pondweed
Potamogeton nodosus Poir. - long-leaved pondweed
Potamogeton zosteriformis Fernald - flat-stemmed pondweed
Stuckenia pectinata (L.) Börner - sago pondweed
Anagallis arvensis L. - scarlet pimpernel
Lysimachia ciliata L. - fringed loosestrife
Lysimachia nummularia L. - creeping jenny
Lysimachia quadriflora Sims - smooth loosestrife
Lysimachia quadrifolia L. - whorled yellow loosestrife
Lysimachia thyrsiflora L. - tufted loosestrife
Lysimachia vulgaris L. - garden yellow loosestrife
Primula meadia (L.) A.R.Mast & Reveal - pride-of-Ohio
Samolus parviflorus Raf. - water pimpernel
Trientalis borealis Raf. - maystar
Adiantum pedatum L. - northern maidenhair fern
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. virginiana - tall thimbleweed
Aquilegia canadensis L. - wild columbine
Aquilegia vulgaris L. - garden columbine
Caltha palustris L. - yellow marsh-marigold
Clematis virginiana L. - virgin's-bower
Consolida ajacis (L.) Schur - doubtful knight's spur
Coptis trifolia (L.) Salisb. - three-leaved gold-thread
Enemion biternatum Raf. - false rue anemone
Hydrastis canadensis L. - goldenseal
Ranunculus abortivus L. - small-flowered buttercup
Ranunculus acris L. - tall buttercup
Ranunculus aquatilis var. diffusus With. - white water crowfoot
Ranunculus fascicularis Muhl. ex J.M.Bigelow - thick-root buttercup
Ranunculus flabellaris Raf. - yellow water crowfoot
Ranunculus hispidus Michx. - rough buttercup
Ranunculus hispidus var. caricetorum (Greene) T.Duncan - rough buttercup
Ranunculus hispidus var. nitidus (Chapm.) T.Duncan - rough buttercup
Ranunculus pensylvanicus L.f. - Pennsylvania buttercup
Ranunculus recurvatus var. recurvatus - hooked buttercup
Ranunculus repens L. - creeping buttercup
Ranunculus rhomboideus Goldie - prairie crowfoot
Ranunculus sceleratus var. sceleratus - cursed crowfoot
Thalictrum dasycarpum Fisch. & Avé-Lall. - tall meadow-rue
Thalictrum dioicum L. - quicksilver-weed
Thalictrum revolutum DC. - waxy meadow-rue
Thalictrum thalictroides (L.) A.J.Eames & B.Boivin - wind-flower
Ceanothus americanus L. - red-root
Frangula alnus Mill. - glossy buckthorn
Rhamnus alnifolia L'Hér. - alder-leaf buckthorn
Rhamnus cathartica L. - European buckthorn
Agrimonia gryposepala Wallr. - tall hairy agrimony
Amelanchier laevis Wiegand - smooth serviceberry
Amelanchier sanguinea - red-twigged shadbush
Amelanchier spicata (Lam.) K.Koch - thicket shadbush
Aronia melanocarpa (Michx.) Elliott - black chokeberry
Aronia x prunifolia (Marshall) Rehder (pro sp.) - hybrid chokeberry
Comarum palustre L. - purple marshlocks
Cotoneaster divaricatus Rehder & E.H.Wilson - stretch-fruit cotoneaster
Crataegus beata Sarg. - Dunbar's hawthorn
Crataegus calpodendron (Ehrh.) Medik. - late hawthorn
Crataegus chrysocarpa Ashe - round-leaved hawthorn
Crataegus coccinea var. coccinea L. - scarlet hawthorn
Crataegus coccinioides Ashe - Kansas hawthorn
Crataegus crus-galli L. - cockspur hawthorn
Crataegus dodgei Ashe - Dodge's hawthorn
Crataegus flabellata (Bosc ex Spach) K.Koch - fan-leaved hawthorn
Crataegus holmesiana Ashe - Holmes' hawthorn
Crataegus lumaria Ashe - roundleaf hawthorn
Crataegus macracantha - large-thorn hawthorn
Crataegus macrosperma Ashe - eastern hawthorn
Crataegus monogyna var. monogyna Jacq. - English hawthorn
Crataegus pruinosa (H.Wendl.) K.Koch - waxy-fruit hawthorn
Crataegus pruinosa var. pruinosa - waxyfruit hawthorn
Crataegus pruinosa var. virella (Ashe) Kruschke - frosted hawthorn
Crataegus punctata Jacq. - white haw
Crataegus scabrida Sarg. - rough hawthorn
Crataegus schuettei Ashe - royal hawthorn
Crataegus submollis Sarg. - northern red haw
Crataegus succulenta Schrad. ex Link - succulent hawthorn
Crataegus X lucorum Sarg. - grove hawthorn
Dasiphora fruticosa (L.) Rydb. - shrubby five-fingers
Drymocallis arguta (Pursh) Rydb. - prairie cinquefoil tall cinquefoil tall potentilla
Duchesnea indica var. indica (Andrews) Focke - Indian-strawberry
Fragaria vesca subsp. americana (Porter) Staudt - woodland strawberry
Fragaria virginiana Duchesne - wild strawberry
Geum aleppicum Jacq. - yellow avens
Geum canadense Jacq. - white avens
Geum laciniatum Murray - rough avens
Geum rivale L. - water avens
Geum triflorum var. triflorum - prairie-smoke
Malus ioensis - prairie crabapple
Malus pumila Mill. - orchard apple
Physocarpus intermedius (Rydb.) C.K.Schneid. - Atlantic nine-bark
Physocarpus opulifolius (L.) Maxim. - Atlantic nine-bark
Potentilla anserina subsp. anserina L. - silver-weed
Potentilla norvegica L. - strawberry-weed
Potentilla recta L. - sulphur five-fingers
Potentilla simplex Michx. - old-field cinquefoil
Prunus americana Marshall - wild plum
Prunus nigra Aiton - Canadian plum
Prunus serotina var. serotina Ehrh. - wild black cherry
Prunus virginiana var. virginiana - eastern chokecherry
Pyrus communis L. - common pear
Rosa blanda Aiton - meadow roae
Rosa carolina L. - pasture rose
Rosa palustris Marshall - swamp rose
Rosa rugosa Thunb. - rugose rose
Rosa setigera - Illinois rose
Rosa spinosissima L. - Scots rose
Rubus allegheniensis Porter ex L.H.Bailey - common blackberry
Rubus flagellaris Willd. - whiplash dewberry
Rubus hispidus L. - swamp dewberry
Rubus idaeus subsp. strigosus L. - wild red raspberry
Rubus occidentalis L. - black raspberry
Rubus pensilvanicus Poir. - yankee blackberry
Rubus pubescens Raf. - dwarf red blackberry
Sorbaria sorbifolia (L.) A.Braun - false spiraea
Sorbus aucuparia L. - European mountain ash
Spiraea alba var. alba - white meadowsweet
Spiraea X bumalda Burv. - Japanese spiraea
Cephalanthus occidentalis L. - buttonbush
Galium album Mill. - wild madder
Galium aparine L. - sticky-willy
Galium asprellum Michx. - rough bedstraw
Galium boreale L. - northern bedstraw
Galium circaezans var. hypomalacum Fernald - wild licorice
Galium concinnum Torr. & A.Gray - shining bedstraw
Galium lanceolatum Torr. - wild licorice
Galium obtusum subsp. obtusum - wild madder
Galium tinctorium L. - stiff bedstraw
Galium triflorum Michx. - sweet-scented bedstraw
Mitchella repens L. - partridgeberry
Zanthoxylum americanum Mill. - northern prickly-ash
Populus alba L. - white poplar
Populus balsamifera L. - hackmatack
Populus deltoides subsp. monilifera (Aiton) Eckenw. - plains cottonwood
Populus grandidentata Michx. - large-toothed aspen
Populus tremuloides Michx. - trembling aspen
Salix alba L. - white willow
Salix amygdaloides Andersson - peach-leaved willow
Salix bebbiana Sarg. - long-beaked willow
Salix candida Flüggé ex Willd. - sage-leaved willow
Salix discolor Muhl. - pussy willow
Salix humilis Marshall - upland willow
Salix interior Rowlee - sandbar willow
Salix lucida Muhl. - shining willow
Salix myricoides Muhl. - blue-leaf willow
Salix nigra Marshall - black willow
Salix pedicellaris Pursh - bog willow
Salix pentandra L. - laurel willow
Salix petiolaris Sm. - slender willow
Salix purpurea L. - purple willow
Salix serissima (L.H.Bailey) Fernald - autumn willow
Salix x fragilis L. - crack willow
Salix x rubens Schrank (pro sp.) - hybrid crack willow
Azolla filiculoides Lam. - Pacific mosquitofern
Comandra umbellata subsp. umbellata - false toadflax
Acer ginnala Maxim. - Amur maple
Acer negundo L. - box elder
Acer negundo var. negundo - box elder
Acer negundo var. violaceum (Kirchn.) H.Jaeger - box elder
Acer nigrum F.Michx. - black maple
Acer platanoides L. - Norway maple
Acer rubrum var. rubrum - red maple
Acer saccharinum L. - soft maple
Acer saccharum var. saccharum - sugar maple
Acer spicatum Lam. - mountain maple
Aesculus glabra var. glabra - Ohio buckeye
Sarracenia purpurea subsp. purpurea - purple pitcher-plant
Heuchera richardsonii R.Br. - Richardson's alumroot
Micranthes pensylvanica (L.) Haw. - swamp saxifrage
Mitella diphylla L. - two-leaf miterwort
Mitella nuda L. - small bishop's-cap
Scrophularia lanceolata Pursh - lance-leaf figwort
Scrophularia marilandica L. - late figwort
Verbascum blattaria L. - moth mullein
Verbascum thapsus L. - giant mullein
Selaginella eclipes W.R.Buck - northern meadow spike-moss
Selaginella rupestris (L.) Spring - rock spike-moss
Ailanthus altissima (Mill.) Swingle - tree-of-heaven
Smilax ecirrhata S.Watson - upright carrion-flower
Smilax illinoensis Mangaly - Illinois greenbrier
Smilax lasioneura Hook. - hairy carrion-flower
Smilax tamnoides L. - hellfetter
Lycium barbarum L. - matrimony-vine
Nicandra physalodes (L.) Gaertn. - apple-of-Peru
Petunia axillaris "(Lam.) Britton, Sterns & Poggenb." - large white petunia
Physalis heterophylla var. heterophylla - clammy ground-cherry
Physalis longifolia var. longifolia - tall ground-cherry
Physalis longifolia var. subglabrata (Mack. & Bush) Cronquist - tall ground-cherry
Physalis virginiana var. virginiana - Virginia ground-cherry
Solanum carolinense var. carolinense - horse-nettle
Solanum dulcamara L. - deadly nightshade
Solanum lycopersicum L. - garden tomato
Solanum ptychanthum Dunal - West Indian nightshade
Solanum rostratum Dunal - buffalo-bur nightshade
Staphylea trifolia L. - American bladdernut
Taxus canadensis Marshall - ground-hemlock
Phegopteris hexagonoptera (Michx.) Fée - southern beech fern
Dirca palustris L. - rope-bark
Thymelaea passerina (L.) Coss. & Germ. - Spurge Flax
Triantha glutinosa (Michx.) Baker - sticky false asphodel
Sparganium eurycarpum Engelm. - giant bur-reed
Typha angustifolia L. - narrow-leaved cat-tail
Typha latifolia L. - common cat-tail
Typha X glauca Godr. - white cat-tail
Ulmus americana L. - white elm
Ulmus pumila L. - Siberian elm
Ulmus rubra Muhl. - slippery elm
Ulmus thomasii Sarg. - rock elm
Laportea canadensis (L.) Wedd. - Canadian wood-nettle
Parietaria pensylvanica Muhl. ex Willd. - Pennsylvanian pellitory
Pilea pumila (L.) A.Gray - Canadian clearweed
Urtica dioica subsp. gracilis (Aiton) Selander - stinging nettle
Verbena bracteata Lag. & Rodr. - prostrate vervain
Verbena hastata L. - swamp verbena
Verbena simplex Lehm. - narrow-leaved vervain
Verbena stricta Vent. - hoary vervain
Verbena urticifolia L. - white vervain
Verbena urticifolia var. leiocarpa L.M.Perry & Fernald - white vervain
Verbena urticifolia var. urticifolia - nettle-leaved vervain
Verbena x engelmannii Moldenke - Engelmann's vervain
Viola cucullata Aiton - marsh blue violet
Viola labradorica Schrank - dog violet
Viola macloskeyi subsp. pallens (Banks ex Ging.) M.S.Baker - wild white violet
Viola nephrophylla Greene - northern bog violet
Viola pedata f. rosea Sanders - bird's-foot violet
Viola pedatifida G.Don - prairie violet
Viola pubescens Aiton - yellow violet
Viola pubescens var. pubescens - yellow violet
Viola pubescens var. scabriuscula Schwein. ex Torr. & A.Gray - yellow violet
Viola rostrata Pursh - long-spurred violet
Viola sororia Willd. - hairy wood violet
Viola tricolor L. - pansy violet
Ampelopsis brevipedunculata (Maxim.) Trautv. - turquoise-berry
Parthenocissus inserta (A. Kern.) Fritsch - grape woodbine
Parthenocissus quinquefolia (L.) Planch. - woodbine
Vitis riparia Michx. - river bank grape
Hemerocallis fulva (L.) L. - tawny daylily
Tribulus terrestris L. - puncture-vine