More Details
Families: 137
Genera: 637
Species: 1637
Total Taxa: 1854 (including subsp. and var.)
Polygonum aviculare subsp. depressum L. - door-yard 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 fueginus Phil. - Tierra del Fuego dock
Rumex longifolius DC. - long-leaved dock
Rumex obtusifolius L. - bitter dock
Rumex patientia L. - patience dock
Rumex venosus Pursh - wild begonia
Polypodium virginianum L. - rock polypody
Heteranthera dubia (Jacq.) MacMill. - water star-grass
Pontederia cordata L. - pickerel-weed
Portulaca grandiflora Hook. - rose-moss
Portulaca oleracea L. - pusley
Potamogeton amplifolius Tuck. - large-leaved pondweed
Potamogeton crispus L. - curly pondweed
Potamogeton epihydrus Raf. - ribbon-leaved pondweed
Potamogeton foliosus - leafy pondweed
Potamogeton foliosus subsp. foliosus - leafy pondweed
Potamogeton friesii Rupr. - Fries's pondweed
Potamogeton gramineus L. - variable-leaved pondweed
Potamogeton illinoensis Morong - Illinois pondweed
Potamogeton natans L. - floating-leaf pondweed
Potamogeton nodosus Poir. - long-leaved pondweed
Potamogeton oakesianus J.W.Robbins - Oakes' pondweed
Potamogeton praelongus Wulfen - white-stemmed pondweed
Potamogeton pusillus L. - small pondweed
Potamogeton pusillus subsp. pusillus - small pondweed
Potamogeton richardsonii (A.Benn.) Rydb. - Richardson's pondweed
Potamogeton strictifolius A.Benn. - straight-leaved pondweed
Potamogeton zosteriformis Fernald - flat-stemmed pondweed
Stuckenia filiformis subsp. alpina (Blytt) R.R.Hayes, Les & M.Král - thread-leaved pondweed
Stuckenia pectinata (L.) Börner - sago pondweed
Stuckenia vaginata (Turcz.) Holub - sheathed pondweed
Zannichellia palustris L. - horned-pondweed
Androsace occidentalis Pursh - western rock jasmine
Lysimachia ciliata L. - fringed loosestrife
Lysimachia clethroides Duby - white 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
Lysimachia vulgaris L. - garden yellow loosestrife
Primula meadia (L.) A.R.Mast & Reveal - pride-of-Ohio
Trientalis borealis Raf. - maystar
Adiantum pedatum L. - northern maidenhair fern
Cheilanthes feei T.Moore - slender lip fern
Cryptogramma stelleri (S.G.Gmel.) Prantl - Steller's rock brake
Pellaea atropurpurea (L.) Link - purple-stem cliff brake
Pellaea glabella subsp. glabella - smooth cliff brake
Aconitum napellus L. - Venus'-chariot
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 - prairie-smoke
Anemone patens var. multifida Pritz. - prairie-smoke
Anemone quinquefolia L. - wood anemone
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
Consolida ajacis (L.) Schur - doubtful knight's spur
Enemion biternatum Raf. - false rue anemone
Hydrastis canadensis L. - goldenseal
Myosurus minimus L. - tiny mouse's-tail
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 ficaria L. - lesser celandine
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
Ranunculus testiculatus Crantz - curve-seed butterwort
Thalictrum dasycarpum Fisch. & Avé-Lall. - tall meadow-rue
Thalictrum dioicum L. - quicksilver-weed
Thalictrum thalictroides (L.) A.J.Eames & B.Boivin - wind-flower
Reseda lutea L. - yellow mignonette
Ceanothus americanus L. - red-root
Ceanothus herbaceus Raf. - prairie 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
Agrimonia parviflora Aiton - harvestlice
Agrimonia pubescens Wallr. - soft agrimony
Amelanchier arborea (F.Michx.) Fernald - downy shadbush
Amelanchier bartramiana (Tausch) M.Roem. - oblong-fruit serviceberry
Amelanchier interior Nielsen - Wiegand's shadbush
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
Aruncus dioicus var. acuminatus (Rydb.) Rydb. ex Hara - goat's-beard
Comarum palustre L. - purple marshlocks
Cotoneaster divaricatus Rehder & E.H.Wilson - stretch-fruit cotoneaster
Crataegus calpodendron (Ehrh.) Medik. - late hawthorn
Crataegus chrysocarpa Ashe - round-leaved hawthorn
Crataegus chrysocarpa var. chrysocarpa - round-leaved hawthorn
Crataegus coccinea var. coccinea L. - scarlet hawthorn
Crataegus holmesiana Ashe - Holmes' hawthorn
Crataegus macracantha - large-thorn hawthorn
Crataegus macrosperma Ashe - eastern hawthorn
Crataegus pruinosa (H.Wendl.) K.Koch - waxy-fruit hawthorn
Crataegus pruinosa var. virella (Ashe) Kruschke - frosted hawthorn
Crataegus punctata Jacq. - white haw
Crataegus scabrida Sarg. - rough hawthorn
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
Filipendula rubra (Hill) B.L.Rob. - queen-of-the-prairie
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 triflorum - prairie-smoke
Geum triflorum var. triflorum - prairie-smoke
Geum urbanum L. - wood avens
Geum vernum (Raf.) Torr. & A.Gray - spring avens
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 argentea L. - silvery five-fingers
Potentilla intermedia L. - downy cinquefoil
Potentilla norvegica L. - strawberry-weed
Potentilla recta L. - sulphur five-fingers
Potentilla simplex Michx. - old-field cinquefoil
Prunus americana Marshall - wild plum
Prunus pensylvanica L.f. - bird cherry
Prunus persica (L.) Batsch - peach
Prunus pumila var. besseyi (L.H.Bailey) Gleason - Bessey's sand cherry
Prunus serotina Ehrh. - wild black cherry
Prunus serotina var. serotina Ehrh. - wild black cherry
Prunus tomentosa Thunb. - Manchu cherry
Prunus virginiana L. - chokecherry
Prunus virginiana var. virginiana - eastern chokecherry
Rosa arkansana Porter - wild prairie rose
Rosa blanda Aiton - meadow roae
Rosa canina L. - dog rose
Rosa carolina L. - pasture rose
Rosa multiflora Thunb. ex Murray - multiflora rose
Rosa rubiginosa var. rubiginosa L. - sweet briar rose
Rosa rugosa Thunb. - rugose rose
Rosa setigera - Illinois 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
Rubus setosus Bigelow - setose blackberry
Sibbaldiopsis tridentata (Aiton) Rydb. - shrubby five-fingers
Sorbaria sorbifolia (L.) A.Braun - false spiraea
Sorbus americana Marshall - American mountain ash
Sorbus aucuparia L. - European mountain ash
Sorbus decora (Sarg.) C.K.Schneid. - showy mountain ash
Spiraea alba var. alba - white meadowsweet
Spiraea tomentosa var. rosea (Raf.) Fernald - steeplebush
Spiraea X bumalda Burv. - Japanese spiraea
Cephalanthus occidentalis L. - buttonbush
Diodia teres Walter - poor-Joe
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 labradoricum (Wiegand) Wiegand - northern bog bedstraw
Galium lanceolatum Torr. - wild licorice
Galium obtusum subsp. obtusum - wild madder
Galium tinctorium L. - stiff bedstraw
Galium trifidum subsp. trifidum - small bedstraw
Galium triflorum Michx. - sweet-scented bedstraw
Houstonia caerulea L. - Quaker-ladies
Houstonia longifolia Gaertn. - long-leaved bluets
Mitchella repens L. - partridgeberry
Ruppia cirrhosa (Petagna) Grande - spiral ditch-grass
Phellodendron amurense Rupr. - Amur corktree
Ptelea trifoliata L. - wafer-ash
Zanthoxylum americanum Mill. - northern prickly-ash
Populus alba L. - white poplar
Populus balsamifera L. - hackmatack
Populus deltoides - eastern cottonwood
Populus deltoides subsp. monilifera (Aiton) Eckenw. - plains cottonwood
Populus grandidentata Michx. - large-toothed aspen
Populus nigra L. - Lombardy poplar
Populus tremuloides Michx. - trembling aspen
Populus x jackii Sarg. - Jack's poplar
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 sericea Marshall - silky willow
Salix serissima (L.H.Bailey) Fernald - autumn willow
Salix x conifera Wangenh. (pro sp.) - conifer willow
Salix x fragilis L. - crack willow
Salix x rubens Schrank (pro sp.) - hybrid crack willow
Salix x smithiana Willd. (pro sp.) - Smith's willow
Azolla cristata Kaulf. - floating-fern
Comandra umbellata - false toadflax
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 pensylvanicum L. - striped 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
Scheuchzeria palustris L. - pod-grass
Scrophularia lanceolata Pursh - lance-leaf figwort
Scrophularia marilandica L. - late figwort
Verbascum blattaria L. - moth mullein
Verbascum phlomoides L. - orange mullein
Verbascum thapsus L. - giant mullein
Selaginella rupestris (L.) Spring - rock spike-moss
Ailanthus altissima (Mill.) Swingle - tree-of-heaven
Smilax ecirrhata S.Watson - upright carrion-flower
Smilax herbacea L. - smilax
Smilax illinoensis Mangaly - Illinois greenbrier
Smilax lasioneura Hook. - hairy carrion-flower
Smilax tamnoides L. - hellfetter
Datura inoxia Mill. - angel's-trumpet
Datura stramonium L. - thorn-apple
Lycium barbarum L. - matrimony-vine
Nicandra physalodes (L.) Gaertn. - apple-of-Peru
Petunia x atkinsiana D.Don ex Loudon - garden petunia
Physalis alkekengi L. - strawberry ground-cherry
Physalis grisea (Waterf.) M.Martinez - strawberry tomato
Physalis heterophylla - clammy ground-cherry
Physalis heterophylla var. heterophylla - clammy ground-cherry
Physalis longifolia - tall ground-cherry
Physalis longifolia var. longifolia - tall ground-cherry
Physalis longifolia var. subglabrata (Mack. & Bush) Cronquist - tall ground-cherry
Physalis virginiana Mill. - Virginia 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
Solanum sarrachoides Sendtn. - hairy nightshade
Staphylea trifolia L. - American bladdernut
Triantha glutinosa (Michx.) Baker - sticky false asphodel
Sparganium androcladum (Engelm.) Morong - branched bur-reed
Sparganium emersum Rehmann - narrow-leaved bur-reed
Sparganium eurycarpum Engelm. - giant bur-reed
Sparganium natans L. - small 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
Boehmeria cylindrica (L.) Sw. - small-spike false nettle
Laportea canadensis (L.) Wedd. - Canadian wood-nettle
Parietaria pensylvanica Muhl. ex Willd. - Pennsylvanian pellitory
Pilea fontana (Lunell) Rydb. - lesser clearweed
Pilea pumila (L.) A.Gray - Canadian clearweed
Urtica dioica - stinging nettle
Urtica dioica subsp. gracilis (Aiton) Selander - stinging nettle
Glandularia canadensis (L.) Nutt. - rose vervain
Phyla lanceolata (Michx.) Greene - lance-leaf fog-fruit
Verbena bracteata Lag. & Rodr. - prostrate vervain
Verbena hastata L. - swamp verbena
Verbena stricta Vent. - hoary vervain
Verbena urticifolia L. - white vervain
Verbena urticifolia var. urticifolia - white vervain
Verbena x deamii Moldenke (pro sp.) - Deam's vervain
Verbena x engelmannii Moldenke - Engelmann's vervain
Verbena x perriana Moldenke - Perry's vervain
Viola affinis Leconte - sand violet
Viola arvensis Murray - field violet
Viola blanda var. palustriformis A.Gray - sweet white violet
Viola canadensis var. canadensis - tall white violet
Viola canadensis var. rugulosa (Greene) C.L.Hitchc. - creeping-root violet
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 novae-angliae House - New England blue violet
Viola pedata L. - bird's-foot violet
Viola pedata f. pedata - bird's-foot 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 sagittata Aiton - arrow-leaved violet
Viola sagittata var. sagittata - arrow-leaved 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 aestivalis - summer grape
Vitis aestivalis var. aestivalis - summer grape
Vitis aestivalis var. argentifolia (Munson) Fernald - summer grape
Vitis riparia Michx. - river bank grape
Hemerocallis fulva (L.) L. - tawny daylily
Xyris torta Sm. - slender yellow-eyed-grass