More Details
Families: 124
Genera: 493
Species: 1168
Total Taxa: 1267 (including subsp. and var.)
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. isocycla Fernald - short whorled milkwort
Fallopia convolvulus (L.) Á.Löve - false buckwheat
Fallopia japonica var. japonica - Mexican bamboo
Fallopia scandens (L.) Holub - climbing false buckwheat
Persicaria amphibia (L.) Gray - water smartweed
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
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
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 epihydrus Raf. - ribbon-leaved 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 praelongus Wulfen - white-stemmed pondweed
Potamogeton pusillus subsp. pusillus - small pondweed
Potamogeton richardsonii (A.Benn.) Rydb. - Richardson's pondweed
Potamogeton robbinsii Oakes - Robbins' 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
Zannichellia palustris L. - horned-pondweed
Lysimachia ciliata L. - fringed loosestrife
Lysimachia nummularia L. - creeping jenny
Lysimachia punctata L. - spotted loosestrife
Lysimachia quadriflora Sims - smooth loosestrife
Lysimachia quadrifolia L. - whorled yellow loosestrife
Lysimachia thyrsiflora L. - swamp loosestrife
Primula meadia (L.) A.R.Mast & Reveal - pride-of-Ohio
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. alba (Oakes) A.W.Wood - thimbleweed
Anemone virginiana var. virginiana - tall thimbleweed
Aquilegia canadensis L. - wild columbine
Caltha palustris L. - yellow marsh-marigold
Clematis virginiana L. - virgin's-bower
Enemion biternatum Raf. - false rue anemone
Hydrastis canadensis L. - goldenseal
Ranunculus abortivus L. - small-flowered 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 rhomboideus Goldie - prairie crowfoot
Ranunculus sceleratus L. - cursed crowfoot
Ranunculus sceleratus var. multifidus Nutt. - cursed 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
Agrimonia parviflora Aiton - harvestlice
Agrimonia pubescens Wallr. - soft agrimony
Amelanchier arborea (F.Michx.) Fernald - downy shadbush
Amelanchier laevis Wiegand - smooth serviceberry
Amelanchier sanguinea - red-twigged shadbush
Amelanchier spicata (Lam.) K.Koch - thicket shadbush
Aronia x prunifolia (Marshall) Rehder (pro sp.) - hybrid chokeberry
Crataegus calpodendron (Ehrh.) Medik. - late hawthorn
Crataegus chrysocarpa var. chrysocarpa - round-leaved hawthorn
Crataegus coccinea var. coccinea L. - scarlet 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 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 schuettei Ashe - royal hawthorn
Crataegus submollis Sarg. - northern red haw
Crataegus succulenta Schrad. ex Link - succulent hawthorn
Dasiphora fruticosa (L.) Rydb. - shrubby five-fingers
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
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 argentea L. - silvery five-fingers
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
Pyrus communis L. - common pear
Rosa blanda Aiton - meadow roae
Rosa carolina L. - pasture rose
Rosa multiflora Thunb. ex Murray - multiflora rose
Rosa rubiginosa var. rubiginosa L. - sweet briar 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
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
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 obtusum subsp. obtusum - wild madder
Galium tinctorium L. - stiff bedstraw
Galium trifidum subsp. trifidum - small bedstraw
Galium triflorum Michx. - sweet-scented bedstraw
Houstonia longifolia Gaertn. - long-leaved bluets
Zanthoxylum americanum Mill. - northern prickly-ash
Populus alba L. - white poplar
Populus deltoides subsp. monilifera (Aiton) Eckenw. - plains cottonwood
Populus grandidentata Michx. - large-toothed aspen
Populus tremuloides Michx. - trembling aspen
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 interior Rowlee - sandbar 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 x fragilis L. - crack willow
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 Marshall - sugar maple
Acer saccharum var. saccharum - sugar maple
Acer spicatum Lam. - mountain maple
Aesculus glabra var. glabra - Ohio buckeye
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
Scheuchzeria palustris L. - pod-grass
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
Smilax ecirrhata S.Watson - upright carrion-flower
Smilax illinoensis Mangaly - Illinois greenbrier
Smilax lasioneura Hook. - hairy carrion-flower
Physalis heterophylla var. heterophylla - clammy ground-cherry
Physalis longifolia var. subglabrata (Mack. & Bush) Cronquist - tall ground-cherry
Physalis virginiana var. virginiana - Virginia ground-cherry
Solanum dulcamara L. - deadly nightshade
Solanum ptychanthum Dunal - West Indian nightshade
Staphylea trifolia L. - American bladdernut
Taxus canadensis Marshall - ground-hemlock
Dirca palustris L. - rope-bark
Triantha glutinosa (Michx.) Baker - sticky false asphodel
Sparganium emersum Rehmann - narrow-leaved bur-reed
Sparganium eurycarpum Engelm. - giant bur-reed
Typha angustifolia L. - narrow-leaved cat-tail
Typha latifolia L. - common 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
Parietaria pensylvanica Muhl. ex Willd. - Pennsylvanian pellitory
Pilea fontana (Lunell) Rydb. - lesser clearweed
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 stricta Vent. - hoary vervain
Verbena urticifolia var. urticifolia - white vervain
Viola affinis Leconte - sand violet
Viola blanda var. palustriformis A.Gray - sweet white 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 odorata L. - sweet violet
Viola pedata L. - 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. scabriuscula Schwein. ex Torr. & A.Gray - yellow violet
Viola sagittata var. sagittata - arrow-leaved violet
Viola sororia Willd. - hairy wood violet
Viola striata Aiton - striped white violet
Parthenocissus inserta (A. Kern.) Fritsch - grape woodbine
Parthenocissus quinquefolia (L.) Planch. - woodbine
Vitis riparia Michx. - river bank grape
Hemerocallis fulva (L.) L. - tawny daylily