Crosby, M. R. & others - REVISED 1999. REVISED: accepted in a monograph, revision, or descriptive flora since 1963.
Gangulee, H. C. 1974. Mosses E. India 4. Pp.(xx–xxvi) + xvi + 831–1134.
Lin(1988)
Ochi, H. 1985. An annotated list of mosses of the subfamily Bryoïdeae in South, Southeast and East Asia. J. Fac. Educ. Tottori Univ., Nat. Sci. 34: 41–96.