| Family |
Taxon |
Common Name | Photographs |
| Aceraceae |
Acer saccharinum L. |
silver maple, soft maple |
|
| Alismataceae |
Alisma subcordatum Raf. |
American water-plantain, common water-plantain, southern water-plantain |
|
| Alismataceae |
Alisma triviale Pursh |
northern water-plantain |
|
| Alismataceae |
Sagittaria cuneata E.Sheld. |
arum-leaved arrow-head, northern arrow-head, wapato |
|
| Alismataceae |
Sagittaria latifolia Willd. |
broad-leaved arrow-head, common arrow-head, duck-potato, wapato |
|
| Alismataceae |
Sagittaria rigida Pursh |
sessile-fruited arrow-head, stiff arrow-head |
|
| Amaranthaceae |
Amaranthus tuberculatus (Moq.) J.D.Sauer |
rough-fruited amaranth, rough-fruited water-hemp, tall water-hemp |
|
| Anacardiaceae |
Rhus glabra L. |
smooth sumac |
|
| Apiaceae |
Angelica atropurpurea L. |
common great angelica, great angelica, purple-stem angelica |
|
| Apiaceae |
Angelica atropurpurea L. var. atropurpurea |
common great angelica, great angelica, purple-stem angelica |
|
| Apiaceae |
Berula erecta (Huds.) Coville |
cut-leaved water-parsnip, low water-parsnip |
|
| Apiaceae |
Cicuta bulbifera L. |
bulblet water-hemlock |
|
| Apiaceae |
Eryngium yuccifolium Michx. |
button eryngo, rattlesnake-master |
|
| Apiaceae |
Osmorhiza longistylis (Torr.) DC. |
anise-root, long-styled sweet cicely, long-styled sweet-root, smooth sweet cicely |
|
| Apiaceae |
Polytaenia nuttallii DC. |
Nuttall's prairie-parsley, prairie-parsley |
|
| Apiaceae |
Sanicula marilandica L. |
black snakeroot, Maryland sanicle |
|
| Apiaceae |
Taenidia integerrima (L.) Drude |
yellow-pimpernel |
|
| Apiaceae |
Torilis japonica (Houtt.) DC. |
erect hedge-parsley, Japanese hedge-parsley |
|
| Apiaceae |
Zizia aurea (L.) W.D.J.Koch |
common golden alexanders, golden alexanders, golden zizia |
|
| Araceae |
Symplocarpus foetidus (L.) Salisb. ex W.P.C.Barton |
skunk-cabbage |
|
| Aristolochiaceae |
Asarum canadense L. |
Canadian wild-ginger, wild-ginger |
|
| Asclepiadaceae |
Asclepias incarnata L. subsp. incarnata |
swamp milkweed |
|
| Asclepiadaceae |
Asclepias purpurascens L. |
purple milkweed |
|
| Asclepiadaceae |
Asclepias syriaca L. |
common milkweed, silkweed |
|
| Asclepiadaceae |
Asclepias tuberosa L. subsp. interior Woodson |
butterfly milkweed, butterfly-weed, orange milkweed |
|
| Asclepiadaceae |
Vincetoxicum nigrum (L.) Moench |
black swallow-wort |
|
| Asteraceae |
Achillea millefolium L. |
common yarrow, milfoil |
|
| Asteraceae |
Achillea millefolium L. subsp. lanulosa (Nutt.) Piper |
common yarrow, milfoil |
|
| Asteraceae |
Ambrosia artemisiifolia L. |
annual bur-sage, common ragweed, short ragweed |
|
| Asteraceae |
Ambrosia trifida L. var. trifida |
giant ragweed, great ragweed, horse-cane |
|
| Asteraceae |
Antennaria neglecta Greene |
cat's-foot, field pussy-toes |
|
| Asteraceae |
Antennaria plantaginifolia (L.) Richardson |
plantain pussy-toes, plantain-leaved pussy-toes, woman's-tobacco |
|
| Asteraceae |
Arctium minus Bernh. |
common burdock, lesser burdock |
|
| Asteraceae |
Artemisia campestris L. subsp. caudata (Michx.) H.M.Hall & Clem. |
field sage-wort, field wormwood |
|
| Asteraceae |
Aster cordifolius L. |
common blue heart-leaved aster, common blue wood aster |
|
| Asteraceae |
Aster ericoides L. |
heath aster, squarrose white aster, white prairie aster |
|
| Asteraceae |
Aster ericoides L. var. ericoides |
heath aster, squarrose white aster, white prairie aster |
|
| Asteraceae |
Aster ericoides L. var. prostratus (Kuntze) S.F.Blake |
prostrate heath aster |
|
| Asteraceae |
Aster ericoides L. X A. sericeus Vent. |
|
|
| Asteraceae |
Aster laevis L. var. laevis |
smooth aster, smooth blue aster |
|
| Asteraceae |
Aster novae-angliae L. |
New England aster |
|
| Asteraceae |
Aster ontarionis Wiegand |
bottomland aster, Ontario aster |
|
| Asteraceae |
Aster oolentangiensis Riddell |
azure aster, prairie heart-leaved aster, sky-blue 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 |
Aster shortii Lindl. |
Midwestern blue heart-leaved aster, Short's aster |
|
| Asteraceae |
Bidens cernua L. |
nodding beggar-ticks, nodding bur-marigold |
|
| Asteraceae |
Bidens connata Muhl. ex Willd. |
purple-stem beggar-ticks, purple-stemmed tickseed |
|