| Family |
Taxon |
Common Name | Photographs |
| Rubiaceae |
Cephalanthus occidentalis L. |
buttonbush |
|
| Rubiaceae |
Galium aparine L. |
annual bedstraw, cleavers, goose-grass, sticky-willy |
|
| Rubiaceae |
Galium circaezans Michx. var. hypomalacum Fernald |
forest bedstraw, licorice bedstraw, wild licorice |
|
| Rubiaceae |
Galium concinnum Torr. & A.Gray |
pretty bedstraw, shining bedstraw |
|
| Rubiaceae |
Galium obtusum Bigelow subsp. obtusum |
blunt-leaf bedstraw, wild madder |
|
| Rubiaceae |
Galium triflorum Michx. |
fragrant bedstraw, sweet-scented bedstraw |
|
| Rutaceae |
Ptelea trifoliata L. subsp. trifoliata var. trifoliata |
common hop-tree, stinking-ash, wafer-ash |
|
| Rutaceae |
Zanthoxylum americanum Mill. |
common prickly-ash, northern prickly-ash |
|
| Salicaceae |
Populus grandidentata Michx. |
big-tooth aspen, large-toothed aspen |
|
| Salicaceae |
Salix exigua Nutt. subsp. interior (Rowlee) Cronquist |
sandbar willow |
|
| Salicaceae |
Salix fragilis L. |
brittle willow, crack willow |
|
| Salicaceae |
Salix humilis Marshall |
prairie willow, upland willow |
|
| Santalaceae |
Comandra umbellata (L.) Nutt. subsp. umbellata |
bastard-toadflax, false toadflax |
|
| Saxifragaceae |
Heuchera richardsonii R.Br. |
prairie alumroot, Richardson's alumroot |
|
| Saxifragaceae |
Mitella diphylla L. |
bishop's-cap, two-leaf miterwort |
|
| Saxifragaceae |
Penthorum sedoides L. |
ditch stonecrop |
|
| Saxifragaceae |
Sullivantia sullivantii (Torr. & A.Gray) Britton |
Sullivant's cool-wort |
|
| Scrophulariaceae |
Aureolaria grandiflora (Benth.) Pennell var. pulchra Pennell |
large-flowered yellow false foxglove |
|
| Scrophulariaceae |
Chelone glabra L. |
turtlehead, white turtlehead |
|
| Scrophulariaceae |
Dasistoma macrophylla (Nutt.) Raf. |
mullein-foxglove |
|
| 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 |
Pedicularis canadensis L. subsp. canadensis |
Canadian lousewort, forest lousewort, wood-betony |
|
| Scrophulariaceae |
Scrophularia lanceolata Pursh |
American figwort, early figwort, lance-leaf figwort |
|
| Scrophulariaceae |
Verbascum thapsus L. |
common mullein, flannel plant, giant mullein |
|
| Scrophulariaceae |
Veronica scutellata L. |
marsh speedwell, narrow-leaved speedwell, skullcap speedwell |
|
| Scrophulariaceae |
Veronicastrum virginicum (L.) Farw. |
Culver's-physic, Culver's-root |
|
| Smilacaceae |
Smilax ecirrhata S.Watson |
upright carrion-flower |
|
| Smilacaceae |
Smilax illinoensis Mangaly |
Illinois carrion-flower, Illinois greenbrier |
|
| Smilacaceae |
Smilax lasioneura Hook. |
common carrion flower, hairy carrion-flower |
|
| Solanaceae |
Physalis heterophylla Nees var. heterophylla |
clammy ground-cherry |
|
| Solanaceae |
Physalis virginiana Mill. var. virginiana |
lance-leaved ground-cherry, obedient plant, Virginia ground-cherry |
|
| Solanaceae |
Solanum carolinense L. var. carolinense |
Carolina horse-nettle, horse-nettle |
|
| Sparganiaceae |
Sparganium emersum Rehmann |
narrow-leaved bur-reed |
|
| Sparganiaceae |
Sparganium eurycarpum Engelm. |
broad-fruit bur-reed, common bur-reed, giant bur-reed |
|
| Staphyleaceae |
Staphylea trifolia L. |
American bladdernut |
|
| Thelypteridaceae |
Phegopteris connectilis (Michx.) Watt |
Narrow beech fern, northern beech fern |
|
| Thelypteridaceae |
Phegopteris hexagonoptera (Michx.) Fée |
broad beech fern, southern beech fern |
|
| Thymelaeaceae |
Dirca palustris L. |
eastern leatherwood, rope-bark |
|
| Tiliaceae |
Tilia americana L. var. americana |
American basswood, American linden, basswood |
|
| Ulmaceae |
Celtis occidentalis L. |
northern hackberry |
|
| Ulmaceae |
Ulmus americana L. |
American elm, white elm |
|
| Urticaceae |
Boehmeria cylindrica (L.) Sw. |
small-spike false nettle |
|
| Urticaceae |
Laportea canadensis (L.) Wedd. |
Canadian wood-nettle |
|
| Urticaceae |
Pilea pumila (L.) A.Gray |
Canadian clearweed |
|
| Urticaceae |
Urtica dioica L. subsp. gracilis (Aiton) Selander |
stinging nettle |
|
| Verbenaceae |
Phryma leptostachya L. |
American lop-seed |
|
| Verbenaceae |
Phyla lanceolata (Michx.) Greene |
lance-leaf fog-fruit |
|
| Verbenaceae |
Verbena stricta Vent. |
hoary verbena, hoary vervain |
|
| Verbenaceae |
Verbena urticifolia L. |
nettle-leaved vervain, white vervain |
|