Families: 111
Genera: 349
Species: 692
Total Taxa: 722 (including subsp. and var.)
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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 pectinacea var. pectinacea - tufted love grass
Festuca rubra subsp. rubra - red fescue
Festuca subverticillata (Pers.) E.B.Alexeev - nodding fescue
Glyceria borealis (Nash) Batch. - boreal manna grass
Glyceria canadensis (Michx.) Trin. - Canada manna grass
Glyceria grandis S.Watson - reed manna grass
Glyceria striata (Lam.) Hitchc. - ridged glyceria
Koeleria macrantha (Ledeb.) Schult. - prairie June grass
Leersia oryzoides (L.) Sw. - rice cutgrass
Leersia virginica Willd. - whitegrass
Lolium pratense (Huds.) Darbysh. - rye grass
Milium effusum L. - wood millet
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 sylvatica (Torr.) Torr. ex A.Gray - woodland satin grass
Muhlenbergia tenuiflora (Willd.) Britton, Sterns & Poggenb. - woodland drop-seed
Muhlenbergia uniflora (Muhl.) Fernald - one-flowered satin grass
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
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
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
Schizachne purpurascens (Torr.) Swallen - false melic grass
Schizachyrium scoparium (Michx.) Nash - prairie beard grass
Schizachyrium scoparium var. scoparium - little blue-stem
Setaria faberi R.A.W.Herrm. - nodding foxtail
Setaria pumila subsp. pumila - yellow foxtail
Setaria verticillata (L.) P.Beauv. - hooked bristle grass
Sorghastrum nutans (L.) Nash - yellow Indian grass
Spartina pectinata Link - slough grass
Sphenopholis intermedia (Rydb.) Rydb. - slender wedge grass
Torreyochloa fernaldii (Hitchc.) Church - Fernald's false manna grass
Zizania aquatica L. - southern wild rice
Phlox divaricata subsp. laphamii (A.W.Wood) Wherry - woodland phlox
Phlox subulata L. - moss-pink
Polemonium reptans var. reptans - spreading Jacob's-ladder
Polygala cruciata L. - drum-heads
Polygala sanguinea L. - purple milkwort
Fallopia cilinodis (Michx.) Holub - fringed black bindweed
Fallopia convolvulus (L.) Á.Löve - false buckwheat
Fallopia scandens (L.) Holub - climbing false buckwheat
Persicaria amphibia (L.) Gray - water smartweed
Persicaria careyi (Olney) Greene - Carey's smartweed
Persicaria hydropiper (L.) Spach - water-pepper
Persicaria hydropiperoides (Michx.) Small - swamp smartweed
Persicaria pensylvanica (L.) M.Gómez - pinkweed
Persicaria punctata (Elliott) Small - dotted smartweed
Persicaria sagittata (L.) H.Gross - arrow vine
Polygonum aviculare subsp. depressum L. - door-yard knotweed
Rumex acetosella L. - sheep sorrel
Rumex crispus L. - curly dock
Rumex fueginus Phil. - Tierra del Fuego dock
Rumex obtusifolius L. - bitter dock
Rumex patientia L. - patience dock
Polypodium virginianum L. - rock polypody
Heteranthera dubia (Jacq.) MacMill. - water star-grass
Portulaca oleracea L. - pusley
Potamogeton amplifolius Tuck. - large-leaved pondweed
Potamogeton epihydrus Raf. - ribbon-leaved pondweed
Potamogeton pusillus L. - small pondweed
Potamogeton richardsonii (A.Benn.) Rydb. - Richardson's pondweed
Lysimachia ciliata L. - fringed loosestrife
Lysimachia lanceolata Walter - lance-leaved loosestrife
Lysimachia quadrifolia L. - whorled yellow loosestrife
Lysimachia terrestris (L.) Britton, Sterns & Poggenb. - swamp loosestrife
Trientalis borealis Raf. - maystar
Adiantum pedatum L. - northern maidenhair fern
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 quinquefolia var. quinquefolia - wood anemone
Anemone virginiana var. alba (Oakes) A.W.Wood - 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
Enemion biternatum Raf. - false rue anemone
Ranunculus abortivus L. - small-flowered buttercup
Ranunculus acris L. - tall buttercup
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 sceleratus L. - cursed crowfoot
Thalictrum dasycarpum Fisch. & Avé-Lall. - tall meadow-rue
Thalictrum dioicum L. - quicksilver-weed
Agrimonia gryposepala Wallr. - tall hairy agrimony
Agrimonia striata Michx. - roadside agrimony
Amelanchier laevis Wiegand - smooth serviceberry
Aronia melanocarpa (Michx.) Elliott - black chokeberry
Aronia x prunifolia (Marshall) Rehder (pro sp.) - hybrid chokeberry
Crataegus calpodendron (Ehrh.) Medik. - late hawthorn
Drymocallis arguta (Pursh) Rydb. - prairie cinquefoil tall cinquefoil tall potentilla
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
Physocarpus opulifolius (L.) Maxim. - Atlantic nine-bark
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 pensylvanica L.f. - bird cherry
Prunus serotina Ehrh. - wild black cherry
Prunus serotina var. serotina Ehrh. - wild black cherry
Prunus virginiana L. - chokecherry
Prunus virginiana var. virginiana - eastern chokecherry
Rosa blanda Aiton - meadow roae
Rosa carolina L. - pasture rose
Rosa palustris Marshall - swamp rose
Rubus allegheniensis Porter ex L.H.Bailey - common blackberry
Rubus canadensis L. - smooth highbush 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 pubescens Raf. - dwarf red blackberry
Rubus setosus Bigelow - setose blackberry
Sibbaldiopsis tridentata (Aiton) Rydb. - shrubby five-fingers
Sorbus americana Marshall - American mountain ash
Sorbus aucuparia L. - European mountain ash
Spiraea alba var. alba - white meadowsweet
Spiraea tomentosa var. rosea (Raf.) Fernald - steeplebush
Galium asprellum Michx. - rough bedstraw
Galium boreale L. - northern bedstraw
Galium concinnum Torr. & A.Gray - shining bedstraw
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 grandidentata Michx. - large-toothed aspen
Populus tremuloides Michx. - trembling aspen
Salix bebbiana Sarg. - long-beaked willow
Salix discolor Muhl. - pussy willow
Salix humilis Marshall - upland willow
Salix interior Rowlee - sandbar willow
Salix nigra Marshall - black willow
Salix petiolaris Sm. - slender willow
Salix pyrifolia Andersson - balsam willow
Salix sericea Marshall - silky willow
Salix x rubens Schrank (pro sp.) - hybrid crack willow
Comandra umbellata subsp. umbellata - false toadflax
Acer negundo L. - box elder
Acer rubrum var. rubrum - red maple
Acer saccharinum L. - soft maple
Acer saccharum var. saccharum - sugar maple
Acer spicatum Lam. - mountain maple
Sarracenia purpurea subsp. purpurea - purple pitcher-plant
Chrysosplenium americanum Schwein. ex Hook. - American golden saxifrage
Heuchera richardsonii R.Br. - Richardson's alumroot
Micranthes pensylvanica (L.) Haw. - swamp saxifrage
Mitella diphylla L. - two-leaf miterwort
Scrophularia lanceolata Pursh - lance-leaf figwort
Scrophularia marilandica L. - late figwort
Verbascum thapsus L. - giant mullein
Selaginella rupestris (L.) Spring - rock spike-moss
Smilax ecirrhata S.Watson - upright carrion-flower
Smilax illinoensis Mangaly - Illinois greenbrier
Smilax lasioneura Hook. - hairy carrion-flower
Smilax tamnoides L. - hellfetter
Solanum dulcamara L. - deadly nightshade
Phegopteris hexagonoptera (Michx.) Fée - southern beech fern
Thelypteris simulata (Davenp.) Nieuwl. - Massachusetts fern
Dirca palustris L. - rope-bark
Sparganium androcladum (Engelm.) Morong - branched bur-reed
Sparganium emersum Rehmann - narrow-leaved bur-reed
Sparganium eurycarpum Engelm. - giant bur-reed
Typha latifolia L. - common cat-tail
Ulmus americana L. - white elm
Ulmus rubra Muhl. - slippery elm
Ulmus thomasii Sarg. - rock elm
Laportea canadensis (L.) Wedd. - Canadian wood-nettle
Urtica dioica subsp. gracilis (Aiton) Selander - stinging nettle
Verbena hastata L. - swamp verbena
Verbena urticifolia L. - white vervain
Viola adunca f. adunca - sand violet
Viola blanda var. palustriformis A.Gray - sweet white violet
Viola cucullata Aiton - marsh blue violet
Viola labradorica Schrank - dog violet
Viola lanceolata var. lanceolata - strap-leaved violet
Viola macloskeyi subsp. pallens (Banks ex Ging.) M.S.Baker - wild white violet
Viola pubescens Aiton - yellow violet
Viola pubescens var. scabriuscula Schwein. ex Torr. & A.Gray - yellow violet
Viola sagittata var. sagittata - arrow-leaved violet
Viola selkirkii Pursh ex Goldie - Selkirk's violet
Viola sororia Willd. - hairy wood violet
Parthenocissus inserta (A. Kern.) Fritsch - grape woodbine
Parthenocissus quinquefolia (L.) Planch. - woodbine
Hemerocallis fulva (L.) L. - tawny daylily
Xyris torta Sm. - slender yellow-eyed-grass