| Family |
Taxon |
Common Name | Photographs |
|---|
| Cyperaceae |
Scirpus atrovirens Willd. |
black bulrush, dark-green bulrush |
|
| Cyperaceae |
Scirpus microcarpus J.Presl & C.Presl |
panicled bulrush |
|
| Scrophulariaceae |
Scrophularia marilandica L. |
carpenter's-square, eastern figwort, late figwort |
|
| Selaginellaceae |
Selaginella rupestris (L.) Spring |
dwarf spike-moss, northern selaginella, rock spike-moss |
|
| Poaceae |
Setaria faberi R.A.W.Herrm. |
Chinese foxtail, giant foxtail, Japanese bristle grass, nodding foxtail |
|
| Poaceae |
Setaria pumila (Poir.) Roem. & Schult. subsp. pumila |
pigeon grass, yellow foxtail |
|
| Asteraceae |
Silphium perfoliatum L. var. perfoliatum |
cup-plant |
|
| Brassicaceae |
Sisymbrium officinale (L.) Scop. |
hedge-mustard |
|
| Asteraceae |
Sonchus asper (L.) Hill |
prickly sow-thistle, spiny sow-thistle |
|
| Poaceae |
Spartina pectinata Link |
prairie cord grass, slough grass |
|
| Lemnaceae |
Spirodela polyrrhiza (L.) Schleid. |
giant duckweed, greater duckweed |
|
| Poaceae |
Sporobolus cryptandrus (Torr.) A.Gray |
sand drop-seed |
|
| Poaceae |
Sporobolus cryptandrus (Torr.) A.Gray var. fuscicola (Hook.) Pohl |
sand drop-seed |
|
| Lamiaceae |
Stachys tenuifolia Willd. var. tenuifolia |
narrow-leaved hedge-nettle, smooth hedge-nettle |
|
| Lamiaceae |
Teucrium canadense L. |
American germander, Canadian germander, wood sage |
|
| Lamiaceae |
Teucrium canadense L. var. virginicum (L.) Eaton |
American germander, Virginia germander, wood sage |
|
| Ranunculaceae |
Thalictrum thalictroides (L.) A.J.Eames & B.Boivin |
rue-anemone, wind-flower |
|
| Anacardiaceae |
Toxicodendron radicans (L.) Kuntze subsp. negundo (Greene) Gillis |
common eastern poison-ivy, poison-ivy |
|
| Typhaceae |
Typha latifolia L. |
broad-leaved cat-tail, common cat-tail |
|
| Ulmaceae |
Ulmus americana L. |
American elm, white elm |
|
| Verbenaceae |
Verbena bracteata Lag. & Rodr. |
creeping vervain, large-bracted vervain, prostrate vervain |
|
| Verbenaceae |
Verbena urticifolia L. |
nettle-leaved vervain, white vervain |
|
| Verbenaceae |
Verbena urticifolia L. var. urticifolia |
nettle-leaved vervain, white vervain |
|
| Violaceae |
Viola pedatifida G.Don |
prairie violet |
|
| Lemnaceae |
Wolffia borealis (Engelm. ex Hegelm.) Landolt |
Northern water-meal |
|
| Lemnaceae |
Wolffia columbiana H.Karst. |
common water-meal |
|
| Rutaceae |
Zanthoxylum americanum Mill. |
common prickly-ash, northern prickly-ash |
|
