| Family |
Taxon |
Common Name | Photographs |
|---|
| Euphorbiaceae |
Acalypha rhomboidea Raf. |
rhombic copper-leaf, three-seeded-mercury |
|
| Aceraceae |
Acer saccharinum L. |
silver maple, soft maple |
|
| Acoraceae |
Acorus americanus (Raf.) Raf. |
sweet-flag |
|
| Ranunculaceae |
Actaea X ludovici B.Boivin |
hybrid actaea |
|
| Scrophulariaceae |
Agalinis purpurea (L.) Pennell |
purple false foxglove, smooth agalinis |
|
| Scrophulariaceae |
Agalinis tenuifolia (Vahl) Raf. |
common agalinis, common false foxglove |
|
| Rosaceae |
Agrimonia gryposepala Wallr. |
common agrimony, tall hairy agrimony |
|
| Poaceae |
Agrostis gigantea Roth |
redtop |
|
| Poaceae |
Agrostis perennans (Walter) Tuck. var. perennans |
autumn bent grass, thin grass, upland bent 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 |
|
| Amaranthaceae |
Amaranthus tuberculatus (Moq.) J.D.Sauer |
rough-fruited amaranth, rough-fruited water-hemp, tall water-hemp |
|
| Fabaceae |
Amorpha fruticosa L. |
desert indigo-bush, false indigo, indigo-bush |
|
| Asteraceae |
Anaphalis margaritacea (L.) Benth. & Hook.f. |
pearly everlasting, western pearly everlasting |
|
| Poaceae |
Andropogon gerardii Vitman |
big blue-stem, turkey-foot |
|
| Primulaceae |
Androsace occidentalis Pursh |
rock-jasmine, western androsace |
|
| Ranunculaceae |
Anemone canadensis L. |
Canada anemone, Canadian anemone, meadow anemone |
|
| Ranunculaceae |
Anemone virginiana L. |
tall anemone, tall thimbleweed |
|
| Ranunculaceae |
Anemone virginiana L. var. alba (Oakes) A.W.Wood |
tall anemone, thimbleweed |
|
| 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 |
|
| Poaceae |
Anthoxanthum hirtum (Schrank) Y. Schouten & Veldkamp subsp. arcticum (J. Presl) G. Tucker |
northern sweet grass, vanilla grass |
|
| Fabaceae |
Apios americana Medik. |
common groundnut, Indian-potato, potato-bean |
|
| Apocynaceae |
Apocynum X floribundum Greene (pro sp.) |
hybrid dogbane, intermediate dogbane |
|
| Apocynaceae |
Apocynum sibiricum Jacq. |
clasping dogbane, Indian hemp |
|
| Brassicaceae |
Arabis drummondii A.Gray |
Drummond's rock-cress |
|
| Brassicaceae |
Arabis laevigata (Muhl. ex Willd.) Poir. var. laevigata |
smooth bank-cress, smooth rock-cress |
|
| Brassicaceae |
Arabis lyrata L. |
lyrate rock-cress, sand cress |
|
| Ericaceae |
Arctostaphylos uva-ursi (L.) Spreng. |
bearberry, kinnickinnick |
|
| Araceae |
Arisaema dracontium (L.) Schott |
dragon-root, green dragon |
|
| Poaceae |
Aristida basiramea Engelm. ex Vasey |
fork-tip three-awn grass |
|
| Poaceae |
Aristida purpurascens Poir. var. purpurascens |
arrow-feather, arrow-feather three-awn |
|
| Poaceae |
Aristida tuberculosa Nutt. |
beach three-awn, dune three-awn grass, seaside three-awn |
|
| Asteraceae |
Arnoglossum plantagineum Raf. |
prairie Indian-plantain |
|
| 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 |
|
| Aristolochiaceae |
Asarum canadense L. |
Canadian wild-ginger, wild-ginger |
|
| Asclepiadaceae |
Asclepias hirtella (Pennell) Woodson |
prairie milkweed, tall green milkweed |
|
| Asclepiadaceae |
Asclepias incarnata L. subsp. incarnata |
swamp milkweed |
|
| Asclepiadaceae |
Asclepias verticillata L. |
whorled milkweed |
|
| Aspleniaceae |
Asplenium platyneuron (L.) Britton, Sterns & Poggenb. |
ebony spleenwort |
|
| Asteraceae |
Aster ericoides L. |
heath aster, squarrose white aster, white prairie aster |
|
| Asteraceae |
Aster ericoides L. var. ericoides |
heath aster, squarrose white aster, white prairie aster |
|
| Asteraceae |
Aster ericoides L. X A. sericeus Vent. |
|
|
| Asteraceae |
Aster laevis L. var. laevis |
smooth aster, smooth blue aster |
|
| Asteraceae |
Aster lanceolatus Willd. |
eastern lined aster, panicled aster, white panicle aster |
|
| Asteraceae |
Aster lanceolatus Willd. var. interior (Wiegand) A.G.Jones |
inland panicled aster, panicled aster, white panicle aster |
|
| Asteraceae |
Aster lanceolatus Willd. var. interior (Wiegand) A.G.Jones X A. ontarionis Wiegand |
|
|
| Asteraceae |
Aster lanceolatus Willd. X A. lateriflorus (L.) Britton |
|
|
| Asteraceae |
Aster lanceolatus Willd. X A. pilosus Willd. |
|
|
