Atriplex gmelinii C.A.Mey. ex Bong. (Synonym : Atriplex patula L. var. obtusa (Cham.) M.Peck)

Family : Chenopodiaceae

Atriplex prostrata Boucher ex DC. subsp. calotheca (Rafn) M.A.Gust. (Synonym : Atriplex patula L. var. hastata (L.) A.Gray)

Family : Chenopodiaceae [Naturalized plant]

Atriplex subcordata Kitag. (Synonym : Atriplex gmelinii C.A.Mey. ex Bong. subsp. dilatata (Franch. & Sav.) Kitam.)

Family : Chenopodiaceae

Aucuba japonica Thunb. (Synonym : Aucuba japonica Thunb. var. concolar Regel)

Family : Cornaceae

Avena fatua L. (Synonym : Avena pilosa Scop.)

Family : Poaceae [Naturalized plant]

Avena sativa L.

Family : Poaceae

Axyris amaranthoides L. (Synonym : Atriplex amaranthoides (L.) J.F.Gmel. ex Moq.)

Family : Chenopodiaceae

Axyris koreana Nakai

Family : Chenopodiaceae

Azolla imbricata (Roxb. ex Griff.) Nakai (Synonym : Azolla pinnata R.Br. var. imbricata (Roxb. ex Griff.) Bonap.)

Family : Salviniaceae

Azolla japonica Franch. & Sav.

Family : Salviniaceae