Amsonia elliptica (Thunb.) Roem. & Schult. (Synonym : Ansonia elliptica (Thunb.) Raf.)

Family : Apocynaceae

Anagallidium dichotomum (L.) Griseb. (Synonym : Swertia dichotoma L.)

Family : Gentianaceae

Anagallis arvensis L. (Synonym : Anagallis carnea Schrank)

Family : Primulaceae

Anaphalis margaritacea (L.) Benth. & Hook.f. (Synonym : Anaphalis sierrae A.Heller)

Family : Asteraceae

Anaphalis sinica Hance (Synonym : Anaphalis pterocaulon (Franch. & Sav.) Maxim. var. sinica (Hance) Hand.-Mazz.)

Family : Asteraceae

Anaphalis sinica Hance var. morii (Nakai) Ohwi (Synonym : Anaphalis morii Nakai)

Family : Asteraceae

Andromeda polifolia L. (Synonym : Andromeda grandiflora Steud.)

Family : Ericaceae

Andromeda polifolia L. f. acerosa C.Hartm.

Family : Ericaceae

Andropogon virginicus L. (Synonym : Sorghum virginicum (L.) Kuntze)

Family : Poaceae [Naturalized plant]

Androsace cortusifolia Nakai

Family : Primulaceae