| Family |
Taxon |
Common Name | Photographs |
| Apiaceae |
Oxypolis rigidior (L.) Raf. |
common water-dropwort, stiff cowbane |
|
| Apiaceae |
Torilis japonica (Houtt.) DC. |
erect hedge-parsley, Japanese hedge-parsley |
|
| Asclepiadaceae |
Asclepias purpurascens L. |
purple milkweed |
|
| Asclepiadaceae |
Asclepias verticillata L. |
whorled milkweed |
|
| 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 |
Aster firmus Nees |
shining aster, shiny-leaved aster |
|
| Asteraceae |
Aster lanceolatus Willd. var. interior (Wiegand) A.G.Jones X A. lanceolatus Willd. var. simplex (Willd.) A.G.Jones |
|
|
| Asteraceae |
Aster lateriflorus (L.) Britton |
calico aster, goblet aster, side-flowering aster |
|
| Asteraceae |
Aster lateriflorus (L.) Britton var. lateriflorus |
calico aster, goblet aster, side-flowering aster |
|
| Asteraceae |
Aster lateriflorus (L.) Britton X A. ontarionis Wiegand |
|
|
| Asteraceae |
Aster lateriflorus (L.) Britton X A. oolentangiensis Riddell |
|
|
| Asteraceae |
Aster lateriflorus (L.) Britton X A. puniceus L. |
|
|
| Asteraceae |
Aster lateriflorus (L.) Britton X A. sagittifolius Wedem. ex Willd. |
|
|
| Asteraceae |
Centaurea biebersteinii DC. |
spotted knapweed |
|
| 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 vulgare (Savi) Ten. |
bull thistle |
|
| Asteraceae |
Erigeron philadelphicus L. |
common fleabane, marsh fleabane, Philadelphia daisy |
|
| Asteraceae |
Eupatorium perfoliatum L. var. perfoliatum |
boneset, common boneset, thoroughwort |
|
| Asteraceae |
Eupatorium rugosum Houtt. var. rugosum |
white snakeroot |
|
| Asteraceae |
Gnaphalium obtusifolium L. var. obtusifolium |
cat's-foot, fragrant cudweed, old-field-balsam, old-field cudweed, rabbit-tobacco |
|
| Asteraceae |
Helenium autumnale L. var. autumnale |
common sneezeweed |
|
| Asteraceae |
Helianthus grosseserratus M.Martens |
saw-tooth sunflower |
|
| Asteraceae |
Kuhnia eupatorioides L. var. corymbulosa Torr. & A.Gray |
false boneset |
|
| Asteraceae |
Lactuca serriola L. |
compass-plant, prickly lettuce |
|
| Asteraceae |
Liatris aspera Michx. |
lacerate blazing-star, rough blazing-star, tall gay-feather |
|
| Asteraceae |
Ratibida pinnata (Vent.) Barnhart |
globular coneflower, yellow coneflower |
|
| Asteraceae |
Rudbeckia hirta L. var. pulcherrima Farw. |
black-eyed Susan |
|
| Asteraceae |
Silphium terebinthinaceum Jacq. var. terebinthinaceum |
basal-leaved rosinweed, prairie-dock, prairie rosinweed |
|
| Asteraceae |
Solidago ohioensis Riddell |
Ohio goldenrod |
|
| Asteraceae |
Sonchus arvensis L. |
field sow-thistle, perennial sow-thistle |
|
| Asteraceae |
Sonchus arvensis L. var. glabrescens Günther, Grab. & Wimm. |
marsh sow-thistle |
|
| Asteraceae |
Taraxacum officinale Weber |
common dandelion |
|
| Balsaminaceae |
Impatiens capensis Meerb. |
orange jewelweed, orange touch-me-not, spotted touch-me-not |
|
| Brassicaceae |
Erysimum cheiranthoides L. |
worm-seed mustard, worm-seed wallflower |
|
| Caprifoliaceae |
Sambucus canadensis L. var. canadensis |
American elder, elderberry |
|
| Caryophyllaceae |
Silene latifolia Poir. |
bladder campion, white campion, white cockle |
|
| Chenopodiaceae |
Chenopodium album L. |
common lamb's-quarters, lamb's-quarters, pigweed |
|
| Cyperaceae |
Carex bebbii (L.H.Bailey) Olney ex Fernald |
Bebb's oval sedge, Bebb's sedge |
|
| Cyperaceae |
Carex blanda Dewey |
common wood sedge, eastern woodland sedge, wood sedge |
|
| Cyperaceae |
Carex sterilis Willd. |
dioecious sedge, fen star sedge |
|
| Cyperaceae |
Carex tetanica Schkuhr |
common stiff sedge, rigid sedge |
|
| Cyperaceae |
Dulichium arundinaceum (L.) Britton var. arundinaceum |
pond sedge, three-way sedge |
|
| Cyperaceae |
Eriophorum angustifolium Honck. subsp. angustifolium |
cotton-grass |
|
| Cyperaceae |
Eriophorum virginicum L. |
rusty cotton-grass, tawny cotton-grass |
|
| Cyperaceae |
Scirpus pendulus Muhl. |
rufous bulrush |
|
| Equisetaceae |
Equisetum laevigatum A.Braun |
smooth horsetail, smooth scouring rush |
|
| Euphorbiaceae |
Euphorbia esula L. var. esula |
leafy spurge, wolf's-milk |
|