| Family |
Taxon |
Common Name | Photographs |
| Amaranthaceae |
Amaranthus blitoides S.Watson |
creeping amaranth, mat amaranth, matweed, matweed amaranth, prostratre amaranth, prostrate pigweed |
|
| Amaranthaceae |
Amaranthus powellii S.Watson |
green amaranth, Powell's amaranth, Powell's smooth amaranth, tall amaranth |
|
| Apiaceae |
Anthriscus sylvestris (L.) Hoffm. |
wild chervil |
|
| 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 |
Anthemis cotula L. |
dog-fennel, mayweed, stinking chamomile, stinking-cotula |
|
| 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 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 |
Aster sagittifolius Wedem. ex Willd. |
arrow-leaved aster |
|
| Asteraceae |
Aster sericeus Vent. |
silky aster, western silvery aster |
|
| Asteraceae |
Bidens vulgata Greene |
big devil's beggar-ticks, tall beggar-ticks |
|
| Asteraceae |
Centaurea biebersteinii DC. |
spotted knapweed |
|
| Asteraceae |
Cirsium altissimum (L.) Spreng. |
tall thistle, wood thistle |
|
| Asteraceae |
Cirsium vulgare (Savi) Ten. |
bull thistle |
|
| Asteraceae |
Galinsoga quadriradiata Ruiz & Pav. |
common quick-weed, Peruvian-daisy, quick-weed, shaggy-soldier |
|
| Asteraceae |
Gnaphalium obtusifolium L. var. obtusifolium |
cat's-foot, fragrant cudweed, old-field-balsam, old-field cudweed, rabbit-tobacco |
|
| Asteraceae |
Helianthus grosseserratus M.Martens |
saw-tooth sunflower |
|
| Asteraceae |
Helianthus pauciflorus Nutt. |
few-leaved sunflower, stiff sunflower |
|
| Asteraceae |
Helianthus pauciflorus Nutt. subsp. subrhomboideus (Rydb.) O.Spring & E.E.Schill. |
few-leaved sunflower, stiff sunflower |
|
| Asteraceae |
Lactuca canadensis L. |
Canada lettuce, tall lettuce, tall wild lettuce, wild lettuce |
|
| Asteraceae |
Matricaria discoidea DC. |
pineapple-weed |
|
| Asteraceae |
Prenanthes aspera Michx. |
rough rattlesnake-root, rough white-lettuce |
|
| Asteraceae |
Silphium laciniatum L. var. laciniatum |
compass-plant |
|
| Asteraceae |
Solidago canadensis L. |
Canadian goldenrod, common goldenrod |
|
| Asteraceae |
Solidago canadensis L. var. scabra Torr. & A.Gray |
Canadian goldenrod, common goldenrod, tall goldenrod |
|
| Asteraceae |
Solidago gigantea Aiton |
giant goldenrod, late goldenrod, smooth goldenrod |
|
| Asteraceae |
Solidago ohioensis Riddell |
Ohio goldenrod |
|
| Asteraceae |
Solidago rigida L. |
rigid goldenrod, stiff goldenrod |
|
| Asteraceae |
Solidago rigida L. subsp. rigida |
rigid goldenrod, stiff goldenrod |
|
| Asteraceae |
Solidago speciosa Nutt. |
showy goldenrod |
|
| Asteraceae |
Tragopogon dubius Scop. |
fistulous goat's-beard, greater sand goat's-beard, yellow salsify |
|
| Asteraceae |
Xanthium strumarium L. |
common cocklebur, rough cocklebur |
|
| Asteraceae |
Xanthium strumarium L. var. canadense (Mill.) Torr. & A.Gray |
common cocklebur, rough cocklebur |
|
| Berberidaceae |
Caulophyllum thalictroides (L.) Michx. |
blue cohosh, papoose-root, squaw-root |
|
| Brassicaceae |
Capsella bursa-pastoris (L.) Medik. |
shepherd's-purse |
|
| Brassicaceae |
Sinapis arvensis L. |
California rape, charlock mustard |
|
| Brassicaceae |
Sisymbrium officinale (L.) Scop. |
hedge-mustard |
|
| Cannabaceae |
Cannabis sativa L. |
hemp, Indian hemp, marijuana |
|