| Family |
Taxon |
Common Name | Photographs |
| Aceraceae |
Acer nigrum F.Michx. |
black maple |
|
| Amaranthaceae |
Amaranthus hybridus L. |
green amaranth, green pigweed, smooth amaranth, smooth pigweed |
|
| Anacardiaceae |
Rhus glabra L. |
smooth sumac |
|
| Anacardiaceae |
Toxicodendron rydbergii (Small ex Rydb.) Greene |
Rydberg's poison-ivy, western poison-ivy |
|
| Apiaceae |
Osmorhiza longistylis (Torr.) DC. |
anise-root, long-styled sweet cicely, long-styled sweet-root, smooth sweet cicely |
|
| Apiaceae |
Pastinaca sativa L. |
wild parsnip |
|
| Apiaceae |
Sanicula canadensis L. |
Canadian black snakeroot, Canadian sanicle |
|
| Apiaceae |
Sanicula gregaria E.P.Bicknell |
clustered black snakeroot |
|
| Apiaceae |
Sanicula trifoliata E.P.Bicknell |
beaked sanicle, large-fruited black snakeroot |
|
| Aristolochiaceae |
Asarum canadense L. |
Canadian wild-ginger, wild-ginger |
|
| Asclepiadaceae |
Asclepias verticillata L. |
whorled milkweed |
|
| Aspleniaceae |
Asplenium rhizophyllum L. |
walking fern |
|
| Asteraceae |
Achillea millefolium L. |
common yarrow, milfoil |
|
| Asteraceae |
Achillea millefolium L. subsp. lanulosa (Nutt.) Piper |
common yarrow, milfoil |
|
| Asteraceae |
Ambrosia trifida L. var. trifida |
giant ragweed, great ragweed, horse-cane |
|
| Asteraceae |
Arnoglossum reniforme (Hook.) H.Rob. |
great Indian-plantain, Muhlenberg's cacalia |
|
| Asteraceae |
Artemisia campestris L. subsp. caudata (Michx.) H.M.Hall & Clem. |
field sage-wort, field wormwood |
|
| 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 prenanthoides Muhl. ex Willd. |
crooked aster, crooked-stem aster, zigzag aster |
|
| Asteraceae |
Aster puniceus L. |
bristly aster, purple-stem aster, swamp 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 comosa (A.Gray) Wiegand |
straw-stem beggar-ticks, swamp marigold, swamp tickseed |
|
| Asteraceae |
Bidens frondosa L. |
common beggar-ticks, devil's beggar-ticks |
|
| Asteraceae |
Carduus acanthoides L. |
plumeless thistle, spiny plumeless thistle |
|
| Asteraceae |
Centaurea biebersteinii DC. |
spotted knapweed |
|
| Asteraceae |
Cirsium altissimum (L.) Spreng. |
tall thistle, wood thistle |
|
| Asteraceae |
Conyza canadensis (L.) Cronquist var. canadensis |
Canadian horseweed, fleabane, hogweed |
|
| Asteraceae |
Conyza ramosissima Cronquist |
dwarf fleabane, spreading fleabane |
|
| Asteraceae |
Eupatorium maculatum L. |
spotted Joe-Pye-weed |
|
| Asteraceae |
Eupatorium maculatum L. subsp. bruneri (A.Gray) G.W.Douglas |
spotted Joe-Pye-weed |
|
| Asteraceae |
Eupatorium maculatum L. X E. purpureum L. |
|
|
| Asteraceae |
Eupatorium perfoliatum L. var. perfoliatum |
boneset, common boneset, thoroughwort |
|
| Asteraceae |
Eupatorium purpureum L. |
green-stemmed Joe-Pye-weed, purple Joe-Pye-weed |
|
| Asteraceae |
Gnaphalium obtusifolium L. var. obtusifolium |
cat's-foot, fragrant cudweed, old-field-balsam, old-field cudweed, rabbit-tobacco |
|
| Asteraceae |
Hasteola suaveolens (L.) Pojark. |
hastate Indian-plantain, sweet Indian-plantain |
|
| Asteraceae |
Helenium autumnale L. var. autumnale |
common sneezeweed |
|
| Asteraceae |
Helianthus tuberosus L. |
Jerusalem-artichoke, woodland sunflower |
|
| Asteraceae |
Lactuca canadensis L. |
Canada lettuce, tall lettuce, tall wild lettuce, wild lettuce |
|
| Asteraceae |
Lactuca floridana (L.) Gaertn. |
blue lettuce, woodland lettuce |
|
| Asteraceae |
Lapsana communis L. |
common nipplewort, nipplewort |
|
| Asteraceae |
Ratibida pinnata (Vent.) Barnhart |
globular coneflower, yellow coneflower |
|
| Asteraceae |
Silphium perfoliatum L. var. perfoliatum |
cup-plant |
|
| Asteraceae |
Solidago canadensis L. |
Canadian goldenrod, common goldenrod |
|
| Asteraceae |
Solidago canadensis L. var. scabra Torr. & A.Gray |
Canadian goldenrod, common goldenrod, tall goldenrod |
|