| Family |
Taxon |
Common Name | Photographs |
| Aceraceae |
Acer negundo L. |
ash-leaved maple, box elder |
|
| Aceraceae |
Acer platanoides L. |
Norway maple |
|
| Apiaceae |
Daucus carota L. |
Queen Anne's-lace, wild carrot |
|
| Apiaceae |
Sanicula gregaria E.P.Bicknell |
clustered black snakeroot |
|
| Apiaceae |
Taenidia integerrima (L.) Drude |
yellow-pimpernel |
|
| Asteraceae |
Achillea millefolium L. |
common yarrow, milfoil |
|
| Asteraceae |
Achillea millefolium L. subsp. lanulosa (Nutt.) Piper |
common yarrow, milfoil |
|
| Asteraceae |
Ambrosia psilostachya DC. |
perennial ragweed, western ragweed |
|
| Asteraceae |
Ambrosia trifida L. var. trifida |
giant ragweed, great ragweed, horse-cane |
|
| Asteraceae |
Artemisia ludoviciana Nutt. subsp. ludoviciana |
Louisiana sage-wort, western mugwort, white sage |
|
| Asteraceae |
Aster drummondii Lindl. |
Drummond's aster, hairy heart-leaved aster |
|
| Asteraceae |
Aster laevis L. var. laevis |
smooth aster, smooth blue aster |
|
| Asteraceae |
Aster lanceolatus Willd. |
eastern lined aster, panicled aster, white panicle aster |
|
| Asteraceae |
Aster lanceolatus Willd. var. simplex (Willd.) A.G.Jones |
branched panicled aster, panicled aster, white panicle aster |
|
| Asteraceae |
Aster lanceolatus Willd. X A. lateriflorus (L.) Britton |
|
|
| Asteraceae |
Aster lanceolatus Willd. X A. pilosus Willd. |
|
|
| Asteraceae |
Aster lanceolatus Willd. X A. puniceus L. |
|
|
| Asteraceae |
Aster lanceolatus Willd. X A. sagittifolius Wedem. ex Willd. |
|
|
| Asteraceae |
Aster novae-angliae L. |
New England aster |
|
| Asteraceae |
Aster oolentangiensis Riddell |
azure aster, prairie heart-leaved aster, sky-blue aster |
|
| Asteraceae |
Centaurea jacea L. |
brown knapweed, brown-ray knapweed |
|
| Asteraceae |
Centaurea nigra L. |
black knapweed, lesser knapweed |
|
| Asteraceae |
Echinacea purpurea (L.) Moench |
broad-leaved purple coneflower, eastern purple coneflower |
|
| 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 purpureum L. |
green-stemmed Joe-Pye-weed, purple Joe-Pye-weed |
|
| Asteraceae |
Galinsoga quadriradiata Ruiz & Pav. |
common quick-weed, Peruvian-daisy, quick-weed, shaggy-soldier |
|
| Asteraceae |
Helianthus tuberosus L. |
Jerusalem-artichoke, woodland sunflower |
|
| Asteraceae |
Rudbeckia triloba L. var. triloba |
brown-eyed Susan, three-lobed coneflower |
|
| Asteraceae |
Solidago canadensis L. |
Canadian goldenrod, common goldenrod |
|
| Asteraceae |
Solidago canadensis L. var. hargeri Fernald |
Canadian goldenrod, Harger's goldenrod |
|
| Asteraceae |
Sonchus arvensis L. |
field sow-thistle, perennial sow-thistle |
|
| Asteraceae |
Sonchus arvensis L. var. glabrescens Günther, Grab. & Wimm. |
marsh sow-thistle |
|
| Asteraceae |
Tragopogon porrifolius L. |
oyster-plant, salsify, vegetable-oyster |
|
| Balsaminaceae |
Impatiens capensis Meerb. |
orange jewelweed, orange touch-me-not, spotted touch-me-not |
|
| Berberidaceae |
Podophyllum peltatum L. |
May-apple, wild mandrake |
|
| Brassicaceae |
Alliaria petiolata (M.Bieb.) Cavara & Grande |
garlic mustard |
|
| Brassicaceae |
Capsella bursa-pastoris (L.) Medik. |
shepherd's-purse |
|
| Brassicaceae |
Lepidium campestre (L.) R.Br. |
fieldcress, field pepper-weed |
|
| Campanulaceae |
Campanula rapunculoides L. |
creeping bellflower, European bellflower, rover bellflower |
|
| Caryophyllaceae |
Silene latifolia Poir. |
bladder campion, white campion, white cockle |
|
| Commelinaceae |
Tradescantia ohiensis Raf. |
blue-jacket, common spiderwort, smooth spiderwort |
|
| Convolvulaceae |
Calystegia sepium (L.) R.Br. |
hedge bindweed, hedge false bindweed |
|
| Cupressaceae |
Juniperus communis L. var. depressa Pursh |
common juniper |
|
| Cyperaceae |
Carex pensylvanica Lam. |
common oak sedge, Pennsylvania sedge |
|
| Cyperaceae |
Cyperus strigosus L. |
false nut sedge, straw-colored cyperus |
|
| Cyperaceae |
Eleocharis palustris (L.) Roem. & Schult. |
common spike-rush, marsh spike-rush |
|
| Fabaceae |
Glycyrrhiza lepidota Pursh |
American licorice, wild licorice |
|
| Gentianaceae |
Gentiana andrewsii Griseb. var. andrewsii |
Andrews' gentian, bottle gentian, prairie closed gentian |
|