R. trinitensis (C. Müll.) Britt. & Dix. ex Dix., J. Bot. 60: 86. 1927.
Hypnum trinitense C. Müll., Syn. Muse Frond. 2: 284.1851.
The plants are small, much resembling Isopterygium. The
reduced ventral leaves may be overlooked, but asymmetry of
dorsal leaves is noticeable.
Ranging from Guatemala to northern South America and
Trinidad, as well as tropical Africa and Madagascar, this
species most hkely occurs in Mexico as well.