| Family |
Taxon |
Common Name |
Photographs |
| Acanthaceae |
Ruellia humilis Nutt. |
fringe-leaf ruellia, hairy ruellia, hairy wild petunia, wild petunia |
|
| Agavaceae |
Yucca filamentosa L. |
Adam's needle, yucca |
|
| Alismataceae |
Alisma subcordatum Raf. |
American water-plantain, common water-plantain, southern water-plantain |
|
| Alismataceae |
Sagittaria latifolia Willd. |
broad-leaved arrowhead, common arrowhead, wapato |
|
| Amaranthaceae |
Amaranthus albus L. |
prostrate pigweed, tumbleweed |
|
| Amaranthaceae |
Amaranthus blitoides S.Watson |
creeping amaranth, mat amaranth, prostrate pigweed |
|
| Amaranthaceae |
Amaranthus hybridus L. |
green amaranth, smooth pigweed |
|
| Amaranthaceae |
Amaranthus powellii S.Watson |
Powell's amaranth, tall amaranth |
|
| Amaranthaceae |
Amaranthus retroflexus L. |
pigweed, redroot, rough amaranth, rough pigweed |
|
| Amaranthaceae |
Amaranthus tuberculatus (Moq.) J.D.Sauer |
rough-fruited amaranth, tall water-hemp |
|
| Amaranthaceae |
Froelichia floridana (Nutt.) Moq. |
large cotton-weed, plains snake-cotton |
|
| Amaranthaceae |
Froelichia gracilis (Hook.) Moq. |
cotton-weed, slender cotton-weed, slender snake-cotton, small cotton-weed |
|
| Apiaceae |
Angelica atropurpurea L. |
common great angelica, great angelica, purple-stem angelica |
|
| Apiaceae |
Carum carvi L. |
caraway |
|
| Apiaceae |
Cicuta bulbifera L. |
bulblet water-hemlock |
|
| Apiaceae |
Cicuta maculata L. |
common water-hemlock, spotted water-hemlock |
|
| Apiaceae |
Cryptotaenia canadensis (L.) DC. |
Canadian honewort, white chervil |
|
| Apiaceae |
Daucus carota L. |
Queen Anne's-lace, wild carrot |
|
| Apiaceae |
Eryngium yuccifolium Michx. |
button eryngo, rattlesnake-master |
|
| Apiaceae |
Heracleum lanatum Michx. |
American cow-parsnip |
|
| Apiaceae |
Heracleum mantegazzianum Sommier & Levier |
giant hogweed |
|
| Apiaceae |
Oxypolis rigidior (L.) Raf. |
common water-dropwort, stiff cowbane |
|
| Apiaceae |
Pastinaca sativa L. |
wild parsnip |
|
| Apiaceae |
Sanicula gregaria E.P.Bicknell |
clustered black snakeroot |
|
| Apiaceae |
Sium suave Walter |
hemlock water-parsnip, water-parsnip |
|
| Apiaceae |
Zizia aurea (L.) W.D.J.Koch |
common golden alexanders, golden alexanders, golden zizia |
|
| Apocynaceae |
Apocynum androsaemifolium L. |
spreading dogbane |
|
| Apocynaceae |
Apocynum cannabinum L. |
hemp-dogbane, Indian hemp |
|
| Apocynaceae |
Apocynum sibiricum Jacq. |
clasping dogbane, Indian hemp |
|
| Araliaceae |
Aralia hispida Vent. |
bristly sarsaparilla |
|
| Araliaceae |
Aralia racemosa L. |
American spikenard, life-of-man |
|
| Araliaceae |
Panax quinquefolius L. |
American ginseng, ginseng |
|
| Asclepiadaceae |
Asclepias amplexicaulis Sm. |
clasping milkweed, sand milkweed |
|
| Asclepiadaceae |
Asclepias exaltata L. |
poke milkweed, tall milkweed |
|
| Asclepiadaceae |
Asclepias hirtella (Pennell) Woodson |
prairie milkweed, tall green milkweed |
|
| Asclepiadaceae |
Asclepias incarnata L. subs incarnata |
swamp milkweed |
|
| Asclepiadaceae |
Asclepias lanuginosa Nutt. |
side-cluster milkweed, woolly milkweed |
|
| Asclepiadaceae |
Asclepias ovalifolia Decne. |
dwarf milkweed, oval milkweed, oval-leaved milkweed |
|
| Asclepiadaceae |
Asclepias purpurascens L. |
purple milkweed |
|
| Asclepiadaceae |
Asclepias sullivantii Engelm. ex A.Gray |
prairie milkweed, smooth milkweed, Sullivant's milkweed |
|
| Asclepiadaceae |
Asclepias syriaca L. |
common milkweed, silkweed |
|
| Asclepiadaceae |
Asclepias tuberosa L. subs interior Woodson |
butterfly milkweed, butterfly-weed, orange milkweed |
|
| Asclepiadaceae |
Asclepias verticillata L. |
whorled milkweed |
|
| Asclepiadaceae |
Asclepias viridiflora Raf. |
short green milkweed |
|
| Asclepiadaceae |
Vincetoxicum nigrum (L.) Moench |
black swallow-wort |
|
| Asteraceae |
Achillea millefolium L. |
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 |
Anaphalis margaritacea (L.) Benth. & Hook.f. |
pearly everlasting, western pearly everlasting |
|
| Asteraceae |
Antennaria neglecta Greene |
cat's-foot, field pussy-toes |
|