| Family |
Taxon |
Common Name | Photographs |
| Salicaceae |
Salix discolor Muhl. |
pussy willow |
|
| Salicaceae |
Salix eriocephala Michx. |
diamond willow, Missouri River willow |
|
| Salicaceae |
Salix exigua Nutt. subsp. interior (Rowlee) Cronquist |
sandbar willow |
|
| Salicaceae |
Salix humilis Marshall |
prairie willow, upland willow |
|
| Salicaceae |
Salix nigra Marshall |
black willow |
|
| Salicaceae |
Salix sericea Marshall |
silky willow |
|
| Santalaceae |
Comandra umbellata (L.) Nutt. subsp. umbellata |
bastard-toadflax, false toadflax |
|
| Saxifragaceae |
Chrysosplenium americanum Schwein. ex Hook. |
American golden saxifrage |
|
| Saxifragaceae |
Heuchera richardsonii R.Br. |
prairie alumroot, Richardson's alumroot |
|
| Saxifragaceae |
Mitella diphylla L. |
bishop's-cap, two-leaf miterwort |
|
| Saxifragaceae |
Saxifraga pensylvanica L. |
eastern swamp saxifrage, swamp saxifrage, wild beet |
|
| Scrophulariaceae |
Aureolaria pedicularia (L.) Raf. |
annual false foxglove, clammy false foxglove |
|
| Scrophulariaceae |
Aureolaria pedicularia (L.) Raf. var. ambigens (Fernald) Farw. |
annual false foxglove, clammy false foxglove, fern-leaf yellow false foxglove |
|
| Scrophulariaceae |
Gratiola aurea Pursh |
golden-pert, golden hedge-hyssop, yellow hedge-hyssop |
|
| Scrophulariaceae |
Linaria canadensis (L.) Dum.Cours. var. canadensis |
annual toadflax, blue toadflax, Canada toadflax |
|
| Scrophulariaceae |
Lindernia dubia (L.) Pennell |
false pimpernel, moist bank pimpernel |
|
| Scrophulariaceae |
Lindernia dubia (L.) Pennell var. dubia |
false pimpernel, moist bank pimpernel, yellow-seed false pimpernel |
|
| Scrophulariaceae |
Mimulus ringens L. var. ringens |
Allegheny monkey-flower, monkey-flower |
|
| Scrophulariaceae |
Pedicularis canadensis L. subsp. canadensis |
Canadian lousewort, forest lousewort, wood-betony |
|
| Scrophulariaceae |
Penstemon gracilis Nutt. |
lilac penstemon, slender beard-tongue |
|
| Scrophulariaceae |
Penstemon gracilis Nutt. subsp. wisconsinensis (Pennell) Pennell |
Wisconsin beard-tongue, Wisconsin penstemon |
|
| Scrophulariaceae |
Penstemon grandiflorus Nutt. |
large beard-tongue, large-flowered beard-tongue |
|
| Scrophulariaceae |
Scrophularia lanceolata Pursh |
American figwort, early figwort, lance-leaf figwort |
|
| Scrophulariaceae |
Verbascum thapsus L. |
common mullein, flannel plant, giant mullein |
|
| Scrophulariaceae |
Veronicastrum virginicum (L.) Farw. |
Culver's-physic, Culver's-root |
|
| Smilacaceae |
Smilax lasioneura Hook. |
common carrion flower, hairy carrion-flower |
|
| Smilacaceae |
Smilax tamnoides L. |
bristly greenbrier, China root, hellfetter |
|
| Solanaceae |
Physalis virginiana Mill. var. virginiana |
lance-leaved ground-cherry, obedient plant, Virginia ground-cherry |
|
| Thelypteridaceae |
Phegopteris connectilis (Michx.) Watt |
Narrow beech fern, northern beech fern |
|
| Thelypteridaceae |
Thelypteris palustris Schott var. pubescens (Lawson) Fernald |
eastern marsh fern, marsh fern |
|
| Thelypteridaceae |
Thelypteris simulata (Davenp.) Nieuwl. |
bog fern, Massachusetts fern |
|
| Ulmaceae |
Celtis occidentalis L. |
northern hackberry |
|
| Ulmaceae |
Ulmus americana L. |
American elm, white elm |
|
| Ulmaceae |
Ulmus thomasii Sarg. |
rock elm |
|
| Urticaceae |
Boehmeria cylindrica (L.) Sw. |
small-spike false nettle |
|
| Urticaceae |
Laportea canadensis (L.) Wedd. |
Canadian wood-nettle |
|
| Verbenaceae |
Verbena stricta Vent. |
hoary verbena, hoary vervain |
|
| Violaceae |
Viola adunca Sm. |
hook-spur violet, sand violet |
|
| Violaceae |
Viola adunca Sm. f. adunca |
hook-spur violet, sand violet |
|
| Violaceae |
Viola cucullata Aiton |
blue marsh violet, hooded violet, marsh blue violet |
|
| Violaceae |
Viola lanceolata L. var. lanceolata |
bog white violet, lance-leaved violet, strap-leaved violet |
|
| Violaceae |
Viola nephrophylla Greene |
northern bog violet |
|
| Violaceae |
Viola pedata L. |
bird's-foot violet |
|
| Violaceae |
Viola pedata L. f. rosea Sanders |
bird's-foot violet |
|
| Violaceae |
Viola sagittata Aiton |
arrow-leaved violet |
|
| Violaceae |
Viola sagittata Aiton var. sagittata |
arrow-leaved violet |
|
| Vitaceae |
Parthenocissus quinquefolia (L.) Planch. |
Virginia creeper, woodbine |
|
| Vitaceae |
Vitis riparia Michx. |
frost grape, river bank grape |
|