| Family |
Taxon |
Common Name | Photographs |
| Aceraceae |
Acer negundo L. |
ash-leaved maple, box elder |
|
| Aceraceae |
Acer negundo L. var. negundo |
box elder |
|
| Aceraceae |
Acer negundo L. var. violaceum (Kirchn.) H.Jaeger |
box elder |
|
| Aceraceae |
Acer saccharum Marshall var. saccharum |
hard maple, sugar maple |
|
| Anacardiaceae |
Toxicodendron rydbergii (Small ex Rydb.) Greene |
Rydberg's poison-ivy, western poison-ivy |
|
| Apiaceae |
Cicuta maculata L. |
common water-hemlock, spotted water-hemlock |
|
| Apiaceae |
Cryptotaenia canadensis (L.) DC. |
Canadian honewort, white chervil |
|
| Apiaceae |
Osmorhiza claytonii (Michx.) C.B.Clarke |
bland sweet cicely, Clayton's sweet-root, hairy sweet cicely |
|
| Apiaceae |
Sanicula marilandica L. |
black snakeroot, Maryland sanicle |
|
| Apiaceae |
Zizia aurea (L.) W.D.J.Koch |
common golden alexanders, golden alexanders, golden zizia |
|
| Araceae |
Arisaema triphyllum (L.) Schott subsp. triphyllum |
Indian turnip, Jack-in-the-pulpit |
|
| Araliaceae |
Aralia nudicaulis L. |
wild sarsaparilla |
|
| Aristolochiaceae |
Asarum canadense L. |
Canadian wild-ginger, wild-ginger |
|
| Asclepiadaceae |
Asclepias incarnata L. subsp. incarnata |
swamp milkweed |
|
| Asteraceae |
Antennaria neglecta Greene |
cat's-foot, field pussy-toes |
|
| Asteraceae |
Antennaria parlinii Fernald |
Parlin's pussy-toes, plantain pussy-toes |
|
| Asteraceae |
Antennaria parlinii Fernald subsp. parlinii |
Parlin's pussy-toes, plantain pussy-toes |
|
| Asteraceae |
Arnoglossum plantagineum Raf. |
prairie Indian-plantain |
|
| Asteraceae |
Arnoglossum reniforme (Hook.) H.Rob. |
great Indian-plantain, Muhlenberg's cacalia |
|
| Asteraceae |
Cirsium vulgare (Savi) Ten. |
bull thistle |
|
| Asteraceae |
Helianthus tuberosus L. |
Jerusalem-artichoke, woodland sunflower |
|
| Asteraceae |
Krigia biflora (Walter) S.F.Blake |
false-dandelion, orange dwarf-dandelion |
|
| Asteraceae |
Krigia biflora (Walter) S.F.Blake subsp. biflora |
false-dandelion, orange dwarf-dandelion |
|
| Asteraceae |
Packera aurea (L.) A.Löve & D.Löve |
golden ragwort, heart-leaved groundsel |
|
| Asteraceae |
Packera paupercula (Michx.) A.Löve & D.Löve |
balsam groundsel, balsam ragwort, northern meadow groundsel, northern ragwort |
|
| Asteraceae |
Packera paupercula (Michx.) A.Löve & D.Löve var. savannarum R.R.Kowal |
balsam groundsel, balsam ragwort, northern meadow groundsel, northern ragwort |
|
| Asteraceae |
Parthenium integrifolium L. |
American feverfew, eastern feverfew, eastern parthenium, wild quinine |
|
| Asteraceae |
Prenanthes crepidinea Michx. |
great white-lettuce, Midwestern white-lettuce, nodding rattlesnake-root |
|
| Asteraceae |
Silphium perfoliatum L. var. perfoliatum |
cup-plant |
|
| Asteraceae |
Solidago missouriensis Nutt. |
Missouri goldenrod |
|
| Asteraceae |
Solidago missouriensis Nutt. var. fasciculata Holz. |
Missouri goldenrod |
|
| Asteraceae |
Taraxacum officinale Weber |
common dandelion |
|
| Berberidaceae |
Caulophyllum thalictroides (L.) Michx. |
blue cohosh, papoose-root, squaw-root |
|
| Betulaceae |
Betula alleghaniensis Britton |
yellow birch |
|
| Betulaceae |
Betula cordifolia Regel |
heart-leaf birch, mountain white birch |
|
| Betulaceae |
Carpinus caroliniana Walter subsp. virginiana (Marshall) Furlow |
American hornbeam, blue-beech, hornbeam, ironwood |
|
| Betulaceae |
Corylus americana Walter |
American hazelnut |
|
| Betulaceae |
Ostrya virginiana (Mill.) K.Koch |
eastern hop-hornbeam, ironwood |
|
| Boraginaceae |
Lithospermum canescens (Michx.) Lehm. |
hoary puccoon |
|
| Boraginaceae |
Lithospermum latifolium Michx. |
American gromwell, broad-leaved gromwell |
|
| Brassicaceae |
Arabis shortii (Fernald) Gleason |
Short's rock-cress, toothed cress |
|
| Campanulaceae |
Campanula americana L. |
American bellflower, tall bellflower |
|
| Cannabaceae |
Humulus lupulus L. |
common hop, hop |
|
| Caprifoliaceae |
Diervilla lonicera Mill. |
northern bush-honeysuckle |
|
| Caprifoliaceae |
Linnaea borealis L. subsp. americana (Forbes) Hultén ex R.T.Clausen |
twinflower |
|
| Caprifoliaceae |
Lonicera dioica L. |
limber honeysuckle, mountain honeysuckle, red honeysuckle |
|
| Caprifoliaceae |
Lonicera dioica L. var. dioica |
limber honeysuckle, mountain honeysuckle, red honeysuckle |
|
| Caprifoliaceae |
Triosteum aurantiacum E.P.Bicknell |
early horse-gentian, orange-fruit horse-gentian |
|
| Caprifoliaceae |
Triosteum aurantiacum E.P.Bicknell var. illinoense (Wiegand) E.J.Palmer & Steyerm. |
Illinois horse-gentian, orange-fruit horse-gentian |
|
| Caprifoliaceae |
Triosteum perfoliatum L. |
feverwort, late horse-gentian, tinker's-weed, wild-coffee |
|