Bazzania tridens var. oshimensis (Seph.) Pócs
SPECIMENS EXAMINED. — Vietnam. Annam, Nhatrang, vallée du Sông Mau, corticole, 400 m, Poilane 3328 (PC [PC0764740]); Lâm Đồng, Manline s.n. (PC [PC0764736]).
NOTES
With underleaves much longer than wide. The whole plant somewhat larger than that of var. tridens . It occurs in Vietnam only in the mountainous areas.