| Family |
Taxon |
Common Name | Photographs |
| Aceraceae |
Acer negundo L. |
ash-leaved maple, box elder |
|
| Aceraceae |
Acer negundo L. var. negundo |
box elder |
|
| Aceraceae |
Acer nigrum F.Michx. |
black maple |
|
| Aceraceae |
Acer rubrum L. var. rubrum |
red maple |
|
| Aceraceae |
Acer saccharinum L. |
silver maple, soft maple |
|
| Aceraceae |
Acer saccharum Marshall var. saccharum |
hard maple, sugar maple |
|
| Aceraceae |
Acer spicatum Lam. |
mountain maple |
|
| Adoxaceae |
Adoxa moschatellina L. |
moschatel, musk-root |
|
| Alismataceae |
Sagittaria latifolia Willd. |
broad-leaved arrow-head, common arrow-head, duck-potato, wapato |
|
| Amaranthaceae |
Amaranthus blitoides S.Watson |
creeping amaranth, mat amaranth, matweed, matweed amaranth, prostratre amaranth, prostrate pigweed |
|
| Anacardiaceae |
Rhus hirta (L.) Sudw. |
staghorn sumac, velvet sumac |
|
| Apiaceae |
Cryptotaenia canadensis (L.) DC. |
Canadian honewort, white chervil |
|
| Apiaceae |
Daucus carota L. |
Queen Anne's-lace, wild carrot |
|
| Apiaceae |
Heracleum lanatum Michx. |
American cow-parsnip |
|
| Apiaceae |
Hydrocotyle americana L. |
American marsh pennywort, marsh pennywort |
|
| Apiaceae |
Osmorhiza claytonii (Michx.) C.B.Clarke |
bland sweet cicely, Clayton's sweet-root, hairy sweet cicely |
|
| Apiaceae |
Sanicula gregaria E.P.Bicknell |
clustered black snakeroot |
|
| Apiaceae |
Sanicula marilandica L. |
black snakeroot, Maryland sanicle |
|
| Apiaceae |
Sium suave Walter |
hemlock water-parsnip, water-parsnip |
|
| Apiaceae |
Zizia aurea (L.) W.D.J.Koch |
common golden alexanders, golden alexanders, golden zizia |
|
| Aquifoliaceae |
Ilex verticillata (L.) A.Gray |
common winterberry |
|
| Araceae |
Arisaema triphyllum (L.) Schott subsp. triphyllum |
Indian turnip, Jack-in-the-pulpit |
|
| Araceae |
Symplocarpus foetidus (L.) Salisb. ex W.P.C.Barton |
skunk-cabbage |
|
| Araliaceae |
Aralia hispida Vent. |
bristly sarsaparilla |
|
| Araliaceae |
Aralia nudicaulis L. |
wild sarsaparilla |
|
| Araliaceae |
Aralia racemosa L. |
American spikenard, life-of-man |
|
| Araliaceae |
Panax quinquefolius L. |
American ginseng, ginseng |
|
| Araliaceae |
Panax trifolius L. |
dwarf ginseng, groundnut |
|
| Aristolochiaceae |
Asarum canadense L. |
Canadian wild-ginger, wild-ginger |
|
| Asclepiadaceae |
Asclepias exaltata L. |
poke milkweed, tall 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 |
|
| Asclepiadaceae |
Asclepias viridiflora Raf. |
green-flowered milkweed, short green milkweed |
|
| Aspleniaceae |
Asplenium rhizophyllum L. |
walking fern |
|
| Asteraceae |
Achillea millefolium L. |
common yarrow, milfoil |
|
| Asteraceae |
Achillea millefolium L. subsp. lanulosa (Nutt.) Piper |
common yarrow, milfoil |
|
| 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 parlinii Fernald subsp. parlinii |
Parlin's pussy-toes, plantain pussy-toes |
|
| Asteraceae |
Artemisia campestris L. subsp. caudata (Michx.) H.M.Hall & Clem. |
field sage-wort, field wormwood |
|
| Asteraceae |
Artemisia dracunculus L. |
dragon sage-wort, dragon wormwood, estragon, false tarragon |
|
| Asteraceae |
Aster cordifolius L. |
common blue heart-leaved aster, common blue wood aster |
|
| Asteraceae |
Aster lateriflorus (L.) Britton |
calico aster, goblet aster, side-flowering aster |
|
| Asteraceae |
Aster lateriflorus (L.) Britton var. lateriflorus |
calico aster, goblet aster, side-flowering aster |
|
| Asteraceae |
Aster lateriflorus (L.) Britton X A. ontarionis Wiegand |
|
|
| Asteraceae |
Aster lateriflorus (L.) Britton X A. oolentangiensis Riddell |
|
|
| Asteraceae |
Aster lateriflorus (L.) Britton X A. puniceus L. |
|
|
| Asteraceae |
Aster lateriflorus (L.) Britton X A. sagittifolius Wedem. ex Willd. |
|
|