| Family |
Taxon |
Common Name | Photographs |
| Acanthaceae |
Ruellia humilis Nutt. |
fringe-leaf ruellia, hairy ruellia, hairy wild petunia, wild petunia |
|
| Amaranthaceae |
Amaranthus albus L. |
prostrate pigweed, tumble pigweed, tumbleweed, tumbleweed amaranth, white amaranth |
|
| Amaranthaceae |
Amaranthus retroflexus L. |
common amaranth, pigweed, redroot, rough amaranth, rough pigweed, wild-beet amaranth |
|
| Anacardiaceae |
Toxicodendron radicans (L.) Kuntze subsp. negundo (Greene) Gillis |
common eastern poison-ivy, poison-ivy |
|
| Apiaceae |
Polytaenia nuttallii DC. |
Nuttall's prairie-parsley, prairie-parsley |
|
| Apiaceae |
Thaspium trifoliatum (L.) A.Gray var. flavum S.F.Blake |
purple meadow-parsnip, smooth meadow-parsnip |
|
| Apiaceae |
Zizia aptera (A.Gray) Fernald |
heart-leaved golden alexanders, heart-leaved meadow-parsnip |
|
| Apocynaceae |
Apocynum androsaemifolium L. |
spreading dogbane |
|
| Asclepiadaceae |
Asclepias verticillata L. |
whorled milkweed |
|
| Asteraceae |
Achillea millefolium L. |
common yarrow, milfoil |
|
| Asteraceae |
Achillea millefolium L. subsp. lanulosa (Nutt.) Piper |
common yarrow, milfoil |
|
| Asteraceae |
Arctium minus Bernh. |
common burdock, lesser burdock |
|
| Asteraceae |
Aster laevis L. var. laevis |
smooth aster, smooth blue aster |
|
| Asteraceae |
Aster novae-angliae L. |
New England aster |
|
| Asteraceae |
Aster pilosus Willd. |
awl aster, frost aster, hairy aster, white old-field aster |
|
| Asteraceae |
Aster pilosus Willd. var. pilosus |
awl aster, frost aster, hairy aster, white old-field aster |
|
| Asteraceae |
Aster pilosus Willd. X A. sagittifolius Wedem. ex Willd. |
|
|
| Asteraceae |
Aster sericeus Vent. |
silky aster, western silvery aster |
|
| Asteraceae |
Bidens cernua L. |
nodding beggar-ticks, nodding bur-marigold |
|
| Asteraceae |
Carduus acanthoides L. |
plumeless thistle, spiny plumeless thistle |
|
| Asteraceae |
Centaurea repens L. |
Russian knapweed |
|
| Asteraceae |
Cichorium intybus L. |
blue-sailors, chicory |
|
| Asteraceae |
Cirsium arvense (L.) Scop. |
Canada thistle, creeping thistle, field thistle |
|
| Asteraceae |
Erigeron annuus (L.) Pers. |
annual fleabane, eastern daisy fleabane |
|
| Asteraceae |
Erigeron strigosus Muhl. ex Willd. |
daisy fleabane, prairie fleabane, rough fleabane |
|
| Asteraceae |
Erigeron strigosus Muhl. ex Willd. var. septentrionalis (Fernald & Wiegand) Fernald |
daisy fleabane, prairie fleabane |
|
| Asteraceae |
Erigeron strigosus Muhl. ex Willd. var. strigosus |
daisy fleabane, prairie fleabane, rough fleabane |
|
| Asteraceae |
Eupatorium altissimum L. |
upland boneset, tall boneset, tall eupatorium, tall thoroughwort |
|
| Asteraceae |
Helianthus decapetalus L. |
forest sunflower, pale sunflower, thin-leaved sunflower |
|
| Asteraceae |
Helianthus X laetiflorus Pers. (pro sp.) |
cheerful sunflower, hybrid prairie sunflower, mountain sunflower |
|
| Asteraceae |
Helianthus tuberosus L. |
Jerusalem-artichoke, woodland sunflower |
|
| Asteraceae |
Lactuca serriola L. |
compass-plant, prickly lettuce |
|
| Asteraceae |
Lapsana communis L. |
common nipplewort, nipplewort |
|
| Asteraceae |
Liatris pycnostachya Michx. X L. spicata (L.) Willd. |
|
|
| Asteraceae |
Solidago ohioensis Riddell |
Ohio goldenrod |
|
| Asteraceae |
Solidago ulmifolia Muhl. ex Willd. var. ulmifolia |
elm-leaved goldenrod |
|
| Asteraceae |
Taraxacum officinale Weber |
common dandelion |
|
| Asteraceae |
Tragopogon dubius Scop. |
fistulous goat's-beard, greater sand goat's-beard, yellow salsify |
|
| Berberidaceae |
Berberis thunbergii DC. |
Japanese barberry |
|
| Betulaceae |
Betula X sandbergii Britton |
Sandberg's birch |
|
| Betulaceae |
Corylus americana Walter |
American hazelnut |
|
| Brassicaceae |
Alliaria petiolata (M.Bieb.) Cavara & Grande |
garlic mustard |
|
| Brassicaceae |
Barbarea vulgaris R.Br. |
garden yellow-rocket, winter-cress, yellow-rocket |
|
| Brassicaceae |
Brassica juncea (L.) Czern. |
brown mustard, Chinese mustard, Indian mustard |
|
| Brassicaceae |
Brassica rapa L. |
field mustard, rape mustard, turnip |
|
| Brassicaceae |
Capsella bursa-pastoris (L.) Medik. |
shepherd's-purse |
|
| Brassicaceae |
Lepidium campestre (L.) R.Br. |
fieldcress, field pepper-weed |
|
| Brassicaceae |
Nasturtium officinale R.Br. |
watercress |
|
| Brassicaceae |
Sisymbrium officinale (L.) Scop. |
hedge-mustard |
|
| Caprifoliaceae |
Symphoricarpos occidentalis Hook. |
western snowberry, wolfberry |
|