Abies balsamea
balsam fir

Acer pensylvanicum
striped maple

Acer rubrum
red maple

Acer saccharinum
silver maple

Acer saccharum
sugar maple

Acer spicatum
mountain maple

Actaea pachypoda
white baneberry

Actaea racemosa
black cohosh

Actaea rubra
red baneberry

Adiantum pedatum
maidenhair fern

Agastache foeniculum
Anise hyssop

Ageratina altissima
white snakeroot

Allium cernuum
nodding onion

Allium tricoccum
ramps

Alnus incana ssp. rugosa
speckled alder

Amelanchier arborea
downy serviceberry

Amelanchier canadensis
Canada serviceberry

Amelanchier laevis
Allegheny serviceberry

Amelanchier spicata
running serviceberry

Andropogon gerardii
big bluestem

Andropogon glomeratus
bushy bluestem

Anemone acutiloba
sharp-lobed hepatica

Anemone americana
blunt-lobed hepatica

Anemone canadensis
Canada windflower

Anemone virginiana
tall windflower

Angelica atropurpurea
purple stemmed angelica

Antennaria neglecta
field pussytoes

Antennaria plantaginifolia
plantain pussytoes

Aquilegia canadensis
red columbine

Aralia racemosa
American spikenard

Aralia spinosa
devil's walking stick

Arctostaphylos uva-ursi
red bearberry

Arisaema dracontium
green dragon

Arisaema triphyllum
Jack in the pulpit

Aronia arbutifolia
red chokeberry

Aronia melanocarpa
black chokeberry

Asarum canadense
Canada wild ginger

Asclepias exaltata
poke milkweed

Asclepias incarnata
swamp milkweed

Asclepias syriaca
common milkweed

Asclepias tuberosa
butterfly milkweed

Asimina triloba
pawpaw

Athyrium angustum
lady fern