Frullania evoluta Mitt. var. tagawana S.Hatt. & Thiath., J. Hattori. Bot. Lab. 43: 441. 1977.
Distribution: India [ML: Jaintia Hills, Jowai – Jarain (Hattori & Thaithong, 1978a as F. evoluta var. tagawana; A.P. Singh & al., 2008 as F. evoluta var. tagawana); WB: Darjeeling, near Mungpoo (Hattori & Thaithong, 1978a as F. evoluta var. tagawana)], China (Piippo, 1990), Thailand (Lai & al., 2008).