American Spikenard
American Spurred Gentian
American Stickseed
American Stoneseed
American Sycamore
American Trailplant
American Vetch
American Water Horehound
American Water Plantain
American Water-willow
American Waterawlwort
American White Waterlily
American Wintergreen
American Wisteria
American Witchhazel
American Woollyfruit Sedge
American Yellowrocket
Amerorchis
Amur Honeysuckle
Amur Maple
Amur Peppervine
Amur Silvergrass
Anemone
Angelica
Anise
Anise Burnet Saxifrage
Annual Bluegrass
Annual Canarygrass
Annual Candytuft
Annual Fescue
Annual Honesty
Annual Marsh Elder
Annual Phlox
Annual Rabbitsfoot Grass
Annual Ragweed
Annual Vernalgrass
Annual Wallrocket
Annual Wildrice
Appalachia False Bindweed
Appalachian Barren Strawberry
Appalachian Clubmoss
Appalachian Quillwort
Apple
Apple Mint