Andropogon Gerardi
Anemonastrum canadense (syn. Anemone canadensis)
Anemone multifida
Anemone virginiana
Anethum graveolens
Angelica atropurpurea
Angelica atropurpurea
Antennaria howellii ssp.canadensis (syn. A. canadensis)
Anthoxanthum nitens (syn. Hierochloë odorata)
Anthoxanthum odoratum
Anticlea elegans (syn. Zigadenus glaucus)
Apios americana