| Family |
Taxon |
Common Name | Photographs |
|---|
| Aceraceae |
Acer saccharinum L. |
silver maple, soft maple |
|
| Scrophulariaceae |
Agalinis tenuifolia (Vahl) Raf. |
common agalinis, common false foxglove |
|
| Poaceae |
Agropyron cristatum (L.) Gaertn. |
desert wheat grass |
|
| Poaceae |
Agrostis perennans (Walter) Tuck. var. perennans |
autumn bent grass, thin grass, upland bent grass |
|
| Poaceae |
Agrostis scabra Willd. |
rough bent grass, southern hair grass, tickle grass |
|
| Alismataceae |
Alisma subcordatum Raf. |
American water-plantain, common water-plantain, southern water-plantain |
|
| Betulaceae |
Alnus incana (L.) Moench subsp. rugosa (Du Roi) R.T.Clausen |
mountain alder, speckled alder, swamp alder |
|
| Poaceae |
Alopecurus aequalis Sobol. |
short-awned foxtail |
|
| 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 |
|
| Rosaceae |
Amelanchier sanguinea (Pursh) DC. var. sanguinea |
low shadblow, New England serviceberry, round-leaved serviceberry |
|
| Poaceae |
Andropogon gerardii Vitman |
big blue-stem, turkey-foot |
|
| Apiaceae |
Angelica atropurpurea L. |
common great angelica, great angelica, purple-stem angelica |
|
| Asteraceae |
Antennaria howellii Greene |
Howell's pussy-toes |
|
| Asteraceae |
Antennaria howellii Greene subsp. petaloidea (Fernald) R.J.Bayer |
Howell's pussy-toes, small pussy-toes |
|
| Asteraceae |
Antennaria neglecta Greene |
cat's-foot, field pussy-toes |
|
| Brassicaceae |
Arabis laevigata (Muhl. ex Willd.) Poir. var. laevigata |
smooth bank-cress, smooth rock-cress |
|
| Brassicaceae |
Arabis lyrata L. |
lyrate rock-cress, sand cress |
|
| Araliaceae |
Aralia hispida Vent. |
bristly sarsaparilla |
|
| Poaceae |
Aristida basiramea Engelm. ex Vasey |
fork-tip three-awn grass |
|
| Asteraceae |
Artemisia campestris L. subsp. caudata (Michx.) H.M.Hall & Clem. |
field sage-wort, field wormwood |
|
| Asteraceae |
Artemisia ludoviciana Nutt. subsp. ludoviciana |
Louisiana sage-wort, western mugwort, white sage |
|
| Asclepiadaceae |
Asclepias incarnata L. subsp. incarnata |
swamp milkweed |
|
| Asclepiadaceae |
Asclepias lanuginosa Nutt. |
side-cluster milkweed, woolly milkweed |
|
| Asclepiadaceae |
Asclepias ovalifolia Decne. |
dwarf milkweed, oval milkweed, oval-leaved milkweed |
|
| Asteraceae |
Aster borealis (Torr. & A.Gray) Prov. |
northern bog aster, rush aster |
|
| Asteraceae |
Aster hesperius A.Gray |
Western lined aster |
|
| Asteraceae |
Aster oolentangiensis Riddell |
azure aster, prairie heart-leaved aster, sky-blue aster |
|
| Asteraceae |
Aster umbellatus Mill. |
flat-top aster, parasol aster, tall flat-topped white aster |
|
| Asteraceae |
Aster umbellatus Mill. var. umbellatus |
flat-top aster, parasol aster, tall flat-topped white aster |
|
| Dryopteridaceae |
Athyrium filix-femina (L.) Roth ex Mert. var. angustum (Willd.) G.Lawson |
common lady fern, lady fern, northeastern lady fern, northern lady fern |
|
| Scrophulariaceae |
Aureolaria pedicularia (L.) Raf. |
annual false foxglove, clammy false foxglove |
|
| Scrophulariaceae |
Aureolaria pedicularia (L.) Raf. var. ambigens (Fernald) Farw. |
annual false foxglove, clammy false foxglove, fern-leaf yellow false foxglove |
|
| Fabaceae |
Baptisia alba (L.) Vent. var. macrophylla (Larisey) Isely |
large-leaved wild indigo, milky white indigo, white wild indigo |
|
| Fabaceae |
Baptisia bracteata Muhl. ex Elliott var. glabrescens (Larisey) Isely |
cream wild indigo, long-bracted wild indigo, plains wild indigo |
|
| Gentianaceae |
Bartonia virginica (L.) Britton, Sterns & Poggenb. |
Virginia bartonia, yellow screw-stem |
|
| Betulaceae |
Betula nigra L. |
black birch, red birch, river birch |
|
| Betulaceae |
Betula papyrifera Marshall |
canoe birch, paper birch, white birch |
|
| Betulaceae |
Betula pumila L. |
bog birch, dwarf birch, swamp birch |
|
| Betulaceae |
Betula X sandbergii Britton |
Sandberg's birch |
|
| Asteraceae |
Bidens cernua L. |
nodding beggar-ticks, nodding bur-marigold |
|
| Asteraceae |
Bidens frondosa L. |
common beggar-ticks, devil's beggar-ticks |
|
| Poaceae |
Bromus tectorum L. |
cheat grass, downy brome, downy chess, June grass |
|
| Cyperaceae |
Bulbostylis capillaris (L.) Kunth ex C.B.Clarke |
hair sedge, thread-leaved beak-seed |
|
| Poaceae |
Calamagrostis canadensis (Michx.) P.Beauv. |
blue-joint grass |
|
| Poaceae |
Calamagrostis canadensis (Michx.) P.Beauv. var. canadensis |
big reed grass, blue-joint grass |
|
| Callitrichaceae |
Callitriche palustris L. |
common water-starwort, vernal water-starwort |
|
| Brassicaceae |
Cardamine parviflora L. var. arenicola (Britton) O.E.Schulz |
dry-land bitter-cress, sand bitter-cress, small-flowered bitter-cress |
|
| Brassicaceae |
Cardamine pensylvanica Muhl. ex Willd. |
Pennsylvania bitter-cress |
|
