Synonyms
Viola crassa var. vegeta Nakai
Viola biflora f. glabrifolia Hid.Takah.
Viola biflora var. akaishiensis Hid.Takah. & H.Ohba
Viola biflora var. cuspidata Pau
Viola biflora var. hirsuta W.Becker
Viola biflora var. nudicaulis W.Becker
Viola nudicaulis (W.Becker) S.Y.Chen
Viola biflora var. crassifolia Makino
Viola chingiana W.Becker
Viola biflora var. valdepilosa Hand.-Mazz.
Viola kanoi Sasaki
Viola biflora var. burejensis Bezd.
Viola schulzeana W.Becker
Viola crassa var. tayemonii (Hayata) S.S.Ying
Viola biflora var. vegeta (Nakai) Hid.Takah.
Viola tayemonii Hayata
Viola manaslensis F.Maek.