| Family |
Taxon |
Common Name | Photographs |
| Asteraceae |
Aster sagittifolius Wedem. ex Willd. |
arrow-leaved aster |
|
| Asteraceae |
Aster sericeus Vent. |
silky aster, western silvery aster |
|
| Asteraceae |
Aster shortii Lindl. |
Midwestern blue heart-leaved aster, Short's aster |
|
| Asteraceae |
Aster umbellatus Mill. |
flat-top aster, parasol aster, tall flat-topped white aster |
|
| Asteraceae |
Aster umbellatus Mill. var. umbellatus |
flat-top aster, parasol aster, tall flat-topped white aster |
|
| Asteraceae |
Balsamita major Desf. |
costmary, mint-geranium |
|
| Asteraceae |
Bidens aristosa (Michx.) Britton |
midwestern tickseed-sunflower, swamp marigold |
|
| 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 connata Muhl. ex Willd. |
purple-stem beggar-ticks, purple-stemmed tickseed |
|
| Asteraceae |
Bidens coronata (L.) Britton |
northern tickseed-sunflower, tall swamp marigold |
|
| Asteraceae |
Bidens frondosa L. |
common beggar-ticks, devil's beggar-ticks |
|
| Asteraceae |
Bidens vulgata Greene |
big devil's beggar-ticks, tall beggar-ticks |
|
| Asteraceae |
Callistephus chinensis (L.) Nees |
annual aster, china aster |
|
| Asteraceae |
Carduus acanthoides L. |
plumeless thistle, spiny plumeless thistle |
|
| Asteraceae |
Centaurea biebersteinii DC. |
spotted knapweed |
|
| Asteraceae |
Centaurea cyanus L. |
bachelor's-button, bluebottle, cornflower |
|
| Asteraceae |
Centaurea nigrescens Willd. |
Tyrol knapweed, Vochin knapweed |
|
| Asteraceae |
Cichorium intybus L. |
blue-sailors, chicory |
|
| Asteraceae |
Cirsium arvense (L.) Scop. |
Canada thistle, creeping thistle, field thistle |
|
| Asteraceae |
Cirsium discolor (Muhl. ex Willd.) Spreng. |
field thistle, pasture thistle, prairie thistle |
|
| Asteraceae |
Cirsium flodmanii (Rydb.) Arthur |
Flodman's thistle, prairie thistle |
|
| Asteraceae |
Cirsium hillii (Canby) Fernald |
Hill's thistle, hollow-rooted thistle, prairie thistle |
|
| Asteraceae |
Cirsium muticum Michx. |
swamp thistle |
|
| Asteraceae |
Cirsium undulatum (Nutt.) Spreng. |
wavy-leaved thistle |
|
| Asteraceae |
Cirsium vulgare (Savi) Ten. |
bull thistle |
|
| Asteraceae |
Cnicus benedictus L. |
blessed thistle |
|
| Asteraceae |
Conyza canadensis (L.) Cronquist var. canadensis |
Canadian horseweed, fleabane, hogweed |
|
| Asteraceae |
Coreopsis lanceolata L. |
lance-leaf tickseed, long-stalk tickseed, sand coreopsis, sand tickseed |
|
| Asteraceae |
Coreopsis lanceolata L. var. villosa Michx. |
lance-leaf tickseed, long-stalk tickseed, sand coreopsis, sand tickseed |
|
| Asteraceae |
Coreopsis palmata Nutt. |
finger tickseed, prairie coreopsis, prairie tickseed, stiff tickseed |
|
| Asteraceae |
Cosmos bipinnatus Cav. |
common garden cosmos |
|
| Asteraceae |
Crepis capillaris (L.) Wallr. |
hawk's-beard, smooth hawk's-beard |
|
| Asteraceae |
Crepis tectorum L. |
hawk's-beard, narrow-leaved hawk's-beard |
|
| Asteraceae |
Echinacea pallida (Nutt.) Nutt. |
pale purple coneflower, prairie coneflower |
|
| Asteraceae |
Echinacea purpurea (L.) Moench |
broad-leaved purple coneflower, eastern purple coneflower |
|
| Asteraceae |
Erechtites hieracifolius (L.) Raf. ex DC. var. hieracifolius |
American burn-weed, fireweed |
|
| Asteraceae |
Erigeron annuus (L.) Pers. |
annual fleabane, eastern daisy fleabane |
|
| Asteraceae |
Erigeron philadelphicus L. |
common fleabane, marsh fleabane, Philadelphia daisy |
|
| Asteraceae |
Erigeron pulchellus Michx. var. pulchellus |
Robin's-plantain |
|
| 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 |
Eupatorium maculatum L. |
spotted Joe-Pye-weed |
|
| Asteraceae |
Eupatorium maculatum L. subsp. maculatum var. maculatum |
spotted Joe-Pye-weed |
|
| Asteraceae |
Eupatorium maculatum L. X E. purpureum L. |
|
|
| Asteraceae |
Eupatorium perfoliatum L. var. perfoliatum |
boneset, common boneset, thoroughwort |
|
| Asteraceae |
Eupatorium rugosum Houtt. var. rugosum |
white snakeroot |
|
| Asteraceae |
Eupatorium sessilifolium L. var. brittonianum Porter |
upland boneset, woodland boneset |
|