| Family |
Taxon |
Common Name | Photographs |
| Malvaceae |
Abutilon theophrasti Medik. |
piemarker, velvet-leaf |
|
| Asteraceae |
Achillea millefolium L. |
common yarrow, milfoil |
|
| Asteraceae |
Achillea millefolium L. subsp. lanulosa (Nutt.) Piper |
common yarrow, milfoil |
|
| Asteraceae |
Achillea ptarmica L. |
sneezeweed, sneezewort |
|
| Ranunculaceae |
Actaea pachypoda Elliott |
doll's-eyes, white baneberry |
|
| Rosaceae |
Agrimonia gryposepala Wallr. |
common agrimony, tall hairy agrimony |
|
| Rosaceae |
Agrimonia pubescens Wallr. |
downy agrimony, soft agrimony |
|
| Poaceae |
Agrostis gigantea Roth |
redtop |
|
| Brassicaceae |
Alliaria petiolata (M.Bieb.) Cavara & Grande |
garlic mustard |
|
| Liliaceae |
Allium cernuum Roth |
nodding wild onion |
|
| Amaranthaceae |
Amaranthus albus L. |
prostrate pigweed, tumble pigweed, tumbleweed, tumbleweed amaranth, white amaranth |
|
| Amaranthaceae |
Amaranthus blitoides S.Watson |
creeping amaranth, mat amaranth, matweed, matweed amaranth, prostratre amaranth, prostrate pigweed |
|
| Amaranthaceae |
Amaranthus retroflexus L. |
common amaranth, pigweed, redroot, rough amaranth, rough pigweed, wild-beet amaranth |
|
| Asteraceae |
Ambrosia artemisiifolia L. |
annual bur-sage, common ragweed, short ragweed |
|
| Fabaceae |
Amorpha canescens Pursh |
lead-plant |
|
| Poaceae |
Andropogon gerardii Vitman |
big blue-stem, turkey-foot |
|
| Ranunculaceae |
Anemone canadensis L. |
Canada anemone, Canadian anemone, meadow anemone |
|
| Ranunculaceae |
Anemone cylindrica A.Gray |
candle anemone, long-headed anemone, thimbleweed |
|
| Ranunculaceae |
Anemone virginiana L. |
tall anemone, tall thimbleweed |
|
| 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 |
|
| 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 |
|
| Ranunculaceae |
Aquilegia canadensis L. |
Canadian columbine, red columbine, wild columbine |
|
| Asteraceae |
Arctium minus Bernh. |
common burdock, lesser burdock |
|
| Araceae |
Arisaema triphyllum (L.) Schott subsp. triphyllum |
Indian turnip, Jack-in-the-pulpit |
|
| Asteraceae |
Arnoglossum reniforme (Hook.) H.Rob. |
great Indian-plantain, Muhlenberg's cacalia |
|
| Asteraceae |
Artemisia campestris L. subsp. caudata (Michx.) H.M.Hall & Clem. |
field sage-wort, field wormwood |
|
| Asclepiadaceae |
Asclepias incarnata L. subsp. incarnata |
swamp milkweed |
|
| Asclepiadaceae |
Asclepias syriaca L. |
common milkweed, silkweed |
|
| Asclepiadaceae |
Asclepias tuberosa L. subsp. interior Woodson |
butterfly milkweed, butterfly-weed, orange milkweed |
|
| Asclepiadaceae |
Asclepias verticillata L. |
whorled milkweed |
|
| Liliaceae |
Asparagus officinalis L. |
asparagus, common asparagus, garden asparagus |
|
| Asteraceae |
Aster cordifolius L. X A. sagittifolius Wedem. ex Willd. |
|
|
| Asteraceae |
Aster drummondii Lindl. |
Drummond's aster, hairy heart-leaved aster |
|
| Asteraceae |
Aster novae-angliae L. |
New England aster |
|
| Asteraceae |
Aster pilosus Willd. |
awl aster, frost aster, hairy aster, white old-field aster |
|
| Asteraceae |
Aster pilosus Willd. var. pilosus |
awl aster, frost aster, hairy aster, white old-field aster |
|
| Asteraceae |
Aster pilosus Willd. X A. sagittifolius Wedem. ex Willd. |
|
|
| Asteraceae |
Aster shortii Lindl. |
Midwestern blue heart-leaved aster, Short's aster |
|
| Fabaceae |
Baptisia alba (L.) Vent. var. macrophylla (Larisey) Isely |
large-leaved wild indigo, milky white indigo, white wild indigo |
|
| Brassicaceae |
Barbarea vulgaris R.Br. |
garden yellow-rocket, winter-cress, yellow-rocket |
|
| Brassicaceae |
Berteroa incana (L.) DC. |
hoary false madwort, hoary-alyssum |
|
| Asteraceae |
Bidens cernua L. |
nodding beggar-ticks, nodding bur-marigold |
|
| Asteraceae |
Bidens coronata (L.) Britton |
northern tickseed-sunflower, tall swamp marigold |
|
| Asteraceae |
Bidens vulgata Greene |
big devil's beggar-ticks, tall beggar-ticks |
|
| Poaceae |
Bouteloua curtipendula (Michx.) Torr. var. curtipendula |
side-oats grama |
|
| Brassicaceae |
Brassica nigra (L.) W.D.J.Koch |
black mustard |
|
| Poaceae |
Bromus ciliatus L. |
fringed brome |
|