| Family |
Taxon |
Common Name | Photographs |
| Aceraceae |
Acer negundo L. |
ash-leaved maple, box elder |
|
| Aceraceae |
Acer negundo L. var. violaceum (Kirchn.) H.Jaeger |
box elder |
|
| Aceraceae |
Acer rubrum L. var. rubrum |
red maple |
|
| Aceraceae |
Acer saccharinum L. |
silver maple, soft maple |
|
| Alismataceae |
Sagittaria latifolia Willd. |
broad-leaved arrow-head, common arrow-head, duck-potato, wapato |
|
| Amaranthaceae |
Amaranthus albus L. |
prostrate pigweed, tumble pigweed, tumbleweed, tumbleweed amaranth, white amaranth |
|
| Amaranthaceae |
Froelichia floridana (Nutt.) Moq. |
common cotton-weed, Florida snake-cotton, plains snake-cotton |
|
| Anacardiaceae |
Rhus glabra L. |
smooth sumac |
|
| Anacardiaceae |
Toxicodendron radicans (L.) Kuntze subsp. negundo (Greene) Gillis |
common eastern poison-ivy, poison-ivy |
|
| Apiaceae |
Cicuta maculata L. |
common water-hemlock, spotted water-hemlock |
|
| Apiaceae |
Daucus carota L. |
Queen Anne's-lace, wild carrot |
|
| Apocynaceae |
Apocynum androsaemifolium L. |
spreading dogbane |
|
| Aquifoliaceae |
Ilex verticillata (L.) A.Gray |
common winterberry |
|
| Araceae |
Arisaema dracontium (L.) Schott |
dragon-root, green dragon |
|
| Araceae |
Arisaema triphyllum (L.) Schott subsp. triphyllum |
Indian turnip, Jack-in-the-pulpit |
|
| Asclepiadaceae |
Asclepias amplexicaulis Sm. |
clasping milkweed, sand milkweed |
|
| Asclepiadaceae |
Asclepias viridiflora Raf. |
green-flowered milkweed, short green milkweed |
|
| Aspleniaceae |
Asplenium platyneuron (L.) Britton, Sterns & Poggenb. |
ebony spleenwort |
|
| 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. fallax (Greene) R.J.Bayer & Stebbins |
Parlin's pussy-toes, plantain pussy-toes |
|
| Asteraceae |
Arnoglossum plantagineum Raf. |
prairie Indian-plantain |
|
| Asteraceae |
Artemisia campestris L. subsp. caudata (Michx.) H.M.Hall & Clem. |
field sage-wort, field wormwood |
|
| Asteraceae |
Aster lateriflorus (L.) Britton X A. ontarionis Wiegand |
|
|
| Asteraceae |
Aster linariifolius L. |
flax-leaved aster, stiff aster |
|
| Asteraceae |
Bidens cernua L. |
nodding beggar-ticks, nodding bur-marigold |
|
| Asteraceae |
Bidens coronata (L.) Britton |
northern tickseed-sunflower, tall swamp marigold |
|
| Asteraceae |
Carduus nutans L. |
musk thistle, nodding plumeless thistle, nodding thistle |
|
| Asteraceae |
Cirsium hillii (Canby) Fernald |
Hill's thistle, hollow-rooted thistle, prairie thistle |
|
| Asteraceae |
Erechtites hieracifolius (L.) Raf. ex DC. var. hieracifolius |
American burn-weed, fireweed |
|
| Asteraceae |
Eupatorium perfoliatum L. var. perfoliatum |
boneset, common boneset, thoroughwort |
|
| Asteraceae |
Eupatorium sessilifolium L. var. brittonianum Porter |
upland boneset, woodland boneset |
|
| Asteraceae |
Hasteola suaveolens (L.) Pojark. |
hastate Indian-plantain, sweet Indian-plantain |
|
| Asteraceae |
Helianthus occidentalis Riddell subsp. occidentalis |
few-leaved sunflower, naked-stemmed sunflower, western sunflower |
|
| Asteraceae |
Hieracium kalmii L. |
Canada hawkweed, Kalm's hawkweed |
|
| Asteraceae |
Hieracium longipilum Torr. ex Hook. |
hairy hawkweed, long-beard hawkweed, long-haired hawkweed, prairie hawkweed |
|
| Asteraceae |
Krigia virginica (L.) Willd. |
Virginia dwarf-dandelion |
|
| Asteraceae |
Liatris aspera Michx. |
lacerate blazing-star, rough blazing-star, tall gay-feather |
|
| Asteraceae |
Solidago gigantea Aiton |
giant goldenrod, late goldenrod, smooth goldenrod |
|
| Asteraceae |
Solidago missouriensis Nutt. |
Missouri goldenrod |
|
| Asteraceae |
Solidago missouriensis Nutt. var. fasciculata Holz. |
Missouri goldenrod |
|
| Asteraceae |
Solidago missouriensis Nutt. var. missouriensis |
Missouri goldenrod |
|
| Asteraceae |
Solidago nemoralis Aiton |
dyer's-weed goldenrod, gray goldenrod, old-field goldenrod |
|
| Asteraceae |
Solidago nemoralis Aiton subsp. nemoralis |
dyer's-weed goldenrod, field goldenrod, gray goldenrod, old-field goldenrod |
|
| Asteraceae |
Solidago speciosa Nutt. |
showy goldenrod |
|
| Asteraceae |
Solidago speciosa Nutt. var. speciosa |
showy goldenrod |
|
| Asteraceae |
Taraxacum officinale Weber |
common dandelion |
|
| Balsaminaceae |
Impatiens capensis Meerb. |
orange jewelweed, orange touch-me-not, spotted touch-me-not |
|
| Betulaceae |
Betula nigra L. |
black birch, red birch, river birch |
|
| Boraginaceae |
Lappula redowskii (Hornem.) Greene var. redowskii |
western stickseed |
|