| 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 |
|
| Apiaceae |
Angelica atropurpurea L. |
common great angelica, great angelica, purple-stem angelica |
|
| Apiaceae |
Angelica atropurpurea L. var. atropurpurea |
common great angelica, great angelica, purple-stem angelica |
|
| Apiaceae |
Angelica atropurpurea L. var. occidentalis Fassett |
purple-stem angelica, western great angelica |
|
| Apiaceae |
Falcaria vulgaris Bernh. |
sickle-weed |
|
| Apiaceae |
Pastinaca sativa L. |
wild parsnip |
|
| Araceae |
Arisaema triphyllum (L.) Schott subsp. triphyllum |
Indian turnip, Jack-in-the-pulpit |
|
| Asclepiadaceae |
Asclepias viridiflora Raf. |
green-flowered milkweed, short green milkweed |
|
| Asteraceae |
Ambrosia trifida L. var. trifida |
giant ragweed, great ragweed, horse-cane |
|
| 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 |
Antennaria plantaginifolia (L.) Richardson |
plantain pussy-toes, plantain-leaved pussy-toes, woman's-tobacco |
|
| Asteraceae |
Aster ericoides L. |
heath aster, squarrose white aster, white prairie aster |
|
| Asteraceae |
Aster ericoides L. var. prostratus (Kuntze) S.F.Blake |
prostrate heath aster |
|
| Asteraceae |
Aster ericoides L. X A. sericeus Vent. |
|
|
| Asteraceae |
Aster oblongifolius Nutt. |
aromatic aster |
|
| Asteraceae |
Aster oolentangiensis Riddell |
azure aster, prairie heart-leaved aster, sky-blue aster |
|
| Asteraceae |
Echinacea purpurea (L.) Moench |
broad-leaved purple coneflower, eastern purple coneflower |
|
| Asteraceae |
Helianthus pauciflorus Nutt. |
few-leaved sunflower, stiff sunflower |
|
| Asteraceae |
Helianthus pauciflorus Nutt. subsp. subrhomboideus (Rydb.) O.Spring & E.E.Schill. |
few-leaved sunflower, stiff sunflower |
|
| Asteraceae |
Helianthus tuberosus L. |
Jerusalem-artichoke, woodland sunflower |
|
| Asteraceae |
Lactuca canadensis L. |
Canada lettuce, tall lettuce, tall wild lettuce, wild lettuce |
|
| Asteraceae |
Parthenium integrifolium L. |
American feverfew, eastern feverfew, eastern parthenium, wild quinine |
|
| Asteraceae |
Prenanthes racemosa Michx. |
glaucous white-lettuce, purple rattlesnake-root |
|
| Asteraceae |
Solidago canadensis L. |
Canadian goldenrod, common goldenrod |
|
| Asteraceae |
Solidago canadensis L. var. hargeri Fernald |
Canadian goldenrod, Harger's goldenrod |
|
| Asteraceae |
Solidago flexicaulis L. |
broad-leaved goldenrod, zigzag goldenrod |
|
| 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 speciosa Nutt. |
showy goldenrod |
|
| Asteraceae |
Solidago speciosa Nutt. var. rigidiuscula Torr. & A.Gray |
showy goldenrod |
|
| Asteraceae |
Sonchus arvensis L. |
field sow-thistle, perennial sow-thistle |
|
| Asteraceae |
Sonchus arvensis L. var. glabrescens Günther, Grab. & Wimm. |
marsh sow-thistle |
|
| Asteraceae |
Taraxacum officinale Weber |
common dandelion |
|
| Betulaceae |
Betula papyrifera Marshall |
canoe birch, paper birch, white birch |
|
| Boraginaceae |
Onosmodium bejariense A.DC. |
marble-seed, smooth onosmodium, western false gromwell |
|
| Boraginaceae |
Onosmodium bejariense A.DC. var. occidentale (Mack.) B.L.Turner |
marble-seed, western false gromwell |
|
| Boraginaceae |
Onosmodium molle Michx. |
[Excluded] marble-seed, smooth onosmodium, western false gromwell |
|
| Brassicaceae |
Arabidopsis thaliana (L.) Heynh. |
mouse-ear-cress, thale-cress |
|
| Brassicaceae |
Arabis lyrata L. |
lyrate rock-cress, sand cress |
|
| Brassicaceae |
Berteroa incana (L.) DC. |
hoary false madwort, hoary-alyssum |
|
| Brassicaceae |
Cardamine bulbosa (Schreb. ex Muhl.) Britton, Sterns & Poggenb. |
spring-cress |
|
| Brassicaceae |
Erucastrum gallicum (Willd.) O.E.Schulz |
common dog-mustard, dog-mustard |
|
| Brassicaceae |
Hesperis matronalis L. |
dame's rocket |
|
| Brassicaceae |
Thlaspi arvense L. |
field pennycress |
|
| Campanulaceae |
Campanula rotundifolia L. |
bluebell, bluebell bellflower, harebell |
|
| Caprifoliaceae |
Lonicera dioica L. |
limber honeysuckle, mountain honeysuckle, red honeysuckle |
|
| Caprifoliaceae |
Lonicera dioica L. var. glaucescens (Rydb.) Butters |
wild honeysuckle |
|