Cephalozia siamensis N. Kitag., J. Hattori Bot. Lab. 32: 293. 1969.
Distribution: India [TN: Nilgiri hills, Bandishola, 9 miles from Coonoor (Udar & Nath, 1973; Verma & al., 2013, both as C. siamensis)], Bhutan (Long & Grolle, 1990 as C. siamensis; Váňa & Long, 2011).