| Family |
Taxon |
Common Name | Photographs |
| Pinaceae |
Abies balsamea (L.) Mill. |
balsam fir, Canada balsam |
|
| Aceraceae |
Acer spicatum Lam. |
mountain maple |
|
| Acoraceae |
Acorus americanus (Raf.) Raf. |
sweet-flag |
|
| Ranunculaceae |
Actaea pachypoda Elliott |
doll's-eyes, white baneberry |
|
| Pteridaceae |
Adiantum pedatum L. |
maidenhair fern, northern maidenhair fern |
|
| Rosaceae |
Agrimonia gryposepala Wallr. |
common agrimony, tall hairy agrimony |
|
| Rosaceae |
Agrimonia striata Michx. |
grooved agrimony, roadside agrimony |
|
| Poaceae |
Agrostis gigantea Roth |
redtop |
|
| Liliaceae |
Allium tricoccum Sol. |
ramp, wild leek |
|
| Liliaceae |
Allium tricoccum Sol. var. tricoccum |
ramp, wild leek |
|
| Poaceae |
Alopecurus aequalis Sobol. |
short-awned foxtail |
|
| Brassicaceae |
Alyssum alyssoides (L.) L. |
pale alyssum, pale madwort, yellow alyssum |
|
| Rosaceae |
Amelanchier arborea (F.Michx.) Fernald |
downy Juneberry, common serviceberry |
|
| Rosaceae |
Amelanchier laevis Wiegand |
Allegheny serviceberry, Allegheny shadblow, smooth serviceberry |
|
| Rosaceae |
Amelanchier spicata (Lam.) K.Koch |
dwarf serviceberry |
|
| Ericaceae |
Andromeda glaucophylla Link |
bog-rosemary |
|
| Ranunculaceae |
Anemone quinquefolia L. var. quinquefolia |
nightcaps, wood anemone |
|
| 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 |
|
| Brassicaceae |
Arabis divaricarpa A.Nelson |
spreading-pod rock-cress |
|
| Brassicaceae |
Arabis glabra (L.) Bernh. |
tower mustard, tower rock-cress |
|
| Brassicaceae |
Arabis hirsuta (L.) Scop. |
hairy rock-cress |
|
| Brassicaceae |
Arabis hirsuta (L.) Scop. var. pycnocarpa (M.Hopkins) Rollins |
cream-flower rock-cress, hairy rock-cress |
|
| Araliaceae |
Aralia hispida Vent. |
bristly sarsaparilla |
|
| Araliaceae |
Aralia nudicaulis L. |
wild sarsaparilla |
|
| Ericaceae |
Arctostaphylos uva-ursi (L.) Spreng. |
bearberry, kinnickinnick |
|
| Caryophyllaceae |
Arenaria serpyllifolia L. var. serpyllifolia |
thyme-leaved sandwort |
|
| Araceae |
Arisaema triphyllum (L.) Schott subsp. triphyllum |
Indian turnip, Jack-in-the-pulpit |
|
| Asteraceae |
Artemisia absinthium L. |
absinth sage-wort, absinth wormwood, absinthe, common wormwood, sage-wort |
|
| Asteraceae |
Artemisia campestris L. subsp. caudata (Michx.) H.M.Hall & Clem. |
field sage-wort, field wormwood |
|
| Asclepiadaceae |
Asclepias verticillata L. |
whorled milkweed |
|
| Asteraceae |
Aster ciliolatus Lindl. |
Lindley's aster, northern heart-leaved aster |
|
| Asteraceae |
Aster lanceolatus Willd. |
eastern lined aster, panicled aster, white panicle aster |
|
| Asteraceae |
Aster lanceolatus Willd. var. simplex (Willd.) A.G.Jones |
branched panicled aster, panicled aster, white panicle aster |
|
| Asteraceae |
Aster lanceolatus Willd. X A. lateriflorus (L.) Britton |
|
|
| Asteraceae |
Aster lanceolatus Willd. X A. pilosus Willd. |
|
|
| Asteraceae |
Aster lanceolatus Willd. X A. puniceus L. |
|
|
| Asteraceae |
Aster lanceolatus Willd. X A. sagittifolius Wedem. ex Willd. |
|
|
| 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. |
|
|
| Asteraceae |
Aster macrophyllus L. |
big-leaved aster, large-leaved aster |
|
| Asteraceae |
Aster pilosus Willd. |
awl aster, frost aster, hairy aster, white old-field aster |
|
| Asteraceae |
Aster pilosus Willd. var. pringlei (A.Gray) S.F.Blake |
awl aster, frost aster, hairy aster, Pringle's aster, white old-field aster |
|
| Asteraceae |
Aster pilosus Willd. X A. sagittifolius Wedem. ex Willd. |
|
|
| Dryopteridaceae |
Athyrium filix-femina (L.) Roth ex Mert. var. angustum (Willd.) G.Lawson |
common lady fern, lady fern, northeastern lady fern, northern lady fern |
|
| Chenopodiaceae |
Atriplex prostrata Boucher ex DC. |
fat-hen, thin-leaf orach, triangle orache |
|