| Family |
Taxon |
Common Name | Photographs |
| Amaranthaceae |
Amaranthus albus L. |
prostrate pigweed, tumble pigweed, tumbleweed, tumbleweed amaranth, white amaranth |
|
| Apocynaceae |
Apocynum androsaemifolium L. |
spreading dogbane |
|
| Asteraceae |
Ambrosia artemisiifolia L. |
annual bur-sage, common ragweed, short ragweed |
|
| Asteraceae |
Ambrosia psilostachya DC. |
perennial ragweed, western ragweed |
|
| Asteraceae |
Artemisia biennis Willd. |
biennial sage-wort, biennial wormwood |
|
| Asteraceae |
Artemisia dracunculus L. |
dragon sage-wort, dragon wormwood, estragon, false tarragon |
|
| Asteraceae |
Aster macrophyllus L. |
big-leaved aster, large-leaved aster |
|
| Asteraceae |
Bidens cernua L. |
nodding beggar-ticks, nodding bur-marigold |
|
| Asteraceae |
Bidens connata Muhl. ex Willd. |
purple-stem beggar-ticks, purple-stemmed tickseed |
|
| Asteraceae |
Bidens frondosa L. |
common beggar-ticks, devil's beggar-ticks |
|
| Asteraceae |
Crepis tectorum L. |
hawk's-beard, narrow-leaved hawk's-beard |
|
| Asteraceae |
Eupatorium perfoliatum L. var. perfoliatum |
boneset, common boneset, thoroughwort |
|
| Asteraceae |
Euthamia graminifolia (L.) Nutt. var. graminifolia |
common flat-topped goldenrod, grass-leaved goldenrod |
|
| Asteraceae |
Gnaphalium obtusifolium L. var. obtusifolium |
cat's-foot, fragrant cudweed, old-field-balsam, old-field cudweed, rabbit-tobacco |
|
| Asteraceae |
Grindelia squarrosa (Pursh) Dunal |
curly-cup gum-weed, gum-plant, gum-weed |
|
| Asteraceae |
Grindelia squarrosa (Pursh) Dunal var. squarrosa |
curly-cup gum-weed, gum-plant, gum-weed |
|
| Asteraceae |
Hieracium kalmii L. |
Canada hawkweed, Kalm's hawkweed |
|
| Asteraceae |
Ratibida pinnata (Vent.) Barnhart |
globular coneflower, yellow coneflower |
|
| Asteraceae |
Solidago nemoralis Aiton |
dyer's-weed goldenrod, gray goldenrod, old-field goldenrod |
|
| Brassicaceae |
Capsella bursa-pastoris (L.) Medik. |
shepherd's-purse |
|
| Brassicaceae |
Rorippa palustris (L.) Besser |
bog yellow-cress, common yellow-cress |
|
| Brassicaceae |
Rorippa palustris (L.) Besser subsp. hispida (Desv.) Jonsell |
hispid marsh-cress, hispid yellow-cress |
|
| Brassicaceae |
Rorippa sylvestris (L.) Besser |
creeping yellow-cress |
|
| Brassicaceae |
Sisymbrium officinale (L.) Scop. |
hedge-mustard |
|
| Campanulaceae |
Campanula aparinoides Pursh |
marsh bellflower |
|
| Campanulaceae |
Campanula aparinoides Pursh var. grandiflora Holz. |
marsh bellflower |
|
| Ceratophyllaceae |
Ceratophyllum echinatum A.Gray |
prickly hornwort, spiny hornwort |
|
| Chenopodiaceae |
Cycloloma atriplicifolium (Spreng.) J.M.Coult. |
winged pigweed |
|
| Cyperaceae |
Carex crawfordii Fernald |
Crawford's oval sedge, Crawford's sedge |
|
| Cyperaceae |
Carex pellita Willd. |
broad-leaved woolly sedge |
|
| Cyperaceae |
Carex projecta Mack. |
loose-headed oval sedge, necklace sedge |
|
| Cyperaceae |
Carex rosea Schkuhr ex Willd. |
curly-styled wood sedge, rosy sedge, stellate sedge |
|
| Cyperaceae |
Carex scoparia Schkuhr ex Willd. var. scoparia |
broom sedge, lance-fruited oval sedge |
|
| Cyperaceae |
Carex vulpinoidea Michx. |
brown fox sedge, fox sedge |
|
| Cyperaceae |
Cyperus bipartitus Torr. |
shining flat sedge, slender flat sedge |
|
| Cyperaceae |
Cyperus schweinitzii Torr. |
Great Plains sand sedge, Schweinitz's cyperus, Schweinitz's flat sedge |
|
| Cyperaceae |
Cyperus squarrosus L. |
bearded flat sedge |
|
| Cyperaceae |
Cyperus strigosus L. |
false nut sedge, straw-colored cyperus |
|
| Cyperaceae |
Eleocharis acicularis (L.) Roem. & Schult. |
needle spike-rush |
|
| Cyperaceae |
Eleocharis palustris (L.) Roem. & Schult. |
common spike-rush, marsh spike-rush |
|
| Cyperaceae |
Schoenoplectus subterminalis (Torr.) Soják |
swaying bulrush, water bulrush, water club-rush |
|
| Cyperaceae |
Scirpus cyperinus (L.) Kunth |
wool-grass |
|
| Dryopteridaceae |
Athyrium filix-femina (L.) Roth ex Mert. var. angustum (Willd.) G.Lawson |
common lady fern, lady fern, northeastern lady fern, northern lady fern |
|
| Dryopteridaceae |
Onoclea sensibilis L. |
sensitive fern |
|
| Elatinaceae |
Elatine minima (Nutt.) Fisch. & C.A.Mey. |
mud-purslane, small waterwort |
|
| Equisetaceae |
Equisetum arvense L. |
common horsetail, field horsetail |
|
| Equisetaceae |
Equisetum fluviatile L. |
pipes, river horsetail, water horsetail |
|
| Equisetaceae |
Equisetum hyemale L. subsp. affine (Engelm.) Calder & Roy L.Taylor |
common scouring rush, pipes, scouring rush horsetail |
|
| Equisetaceae |
Equisetum laevigatum A.Braun |
smooth horsetail, smooth scouring rush |
|
| Eriocaulaceae |
Eriocaulon aquaticum (Hill) Druce |
seven-angle pipewort, white buttons |
|