Abies balsamea
balsam fir
Acer pensylvanicum
striped maple
Acer rubrum
red maple
Acer saccharinum
silver maple
Acer saccharum
sugar maple
Acer spicatum
mountain maple
Achillea millefolium
common yarrow
Actaea pachypoda
white baneberry
Actaea podocarpa
mountain bugbane
Actaea racemosa
black cohosh
Actaea rubifolia
Appalachian bugbane
Actaea rubra
red baneberry
Adiantum pedatum
maidenhair fern
Aesculus parviflora
bottlebrush buckeye
Aesculus pavia
red buckeye
Agastache foeniculum
Anise hyssop
Ageratina altissima
white snakeroot
Allium cernuum
nodding onion
Allium tricoccum
ramps
Alnus incana
speckled alder
Alnus serrulata
smooth alder
Amelanchier arborea
downy serviceberry
Amelanchier canadensis
Canada serviceberry
Amelanchier laevis
Allegheny serviceberry
Amelanchier spicata
running serviceberry
Ammophila breviligulata
American beach grass
Amsonia hubrictii
blue star
Amsonia tabernaemontana
bluestar
Anaphalis margaritacea
pearly everlasting
Andromeda polifolia var. glaucophylla 'Breton Blue'
Cape Breton bog rosemary
Andropogon gerardii
big bluestem
Andropogon gerardii 'Red October'
'Red October' big bluestem
Andropogon glomeratus
bushy bluestem
Anemone acutiloba
sharp-lobed hepatica
Anemone americana
blunt-lobed hepatica
Anemone canadensis
Canada windflower
Anemone multifida 'Annabella Deep Pink'
pink cut-leaved windflower
Anemone multifida 'Annabella White'
white cut-leaved windflower
Anemone virginiana
tall windflower
Angelica atropurpurea
purple stemmed angelica
Antennaria neglecta
field pussytoes
Antennaria plantaginifolia
plantain pussytoes
Aquilegia canadensis
red columbine
Aralia nudicaulis
wild sarsaparilla
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 arbutifolia 'Brilliantissima'
red chokeberry
Aronia floribunda
purple chokeberry
Aronia melanocarpa
black chokeberry
Aruncus dioicus
goat's beard
Asarum canadense
Canada wild ginger
Asclepias exaltata
poke milkweed
Asclepias incarnata
swamp milkweed
Asclepias syriaca
common milkweed
Asclepias tuberosa
butterfly milkweed
Asimina triloba
pawpaw
Astilbe biternata
Appalachian false goat's beard
Athyrium angustum
lady fern
Athyrium angustum 'Lady in Red'
red lady fern
Athyrium angustum 'Victoriae'
lady fern