Isopterygiopsis Iwatsuki, 1970.

Members of the genus Isopterygiopsis have complanate, ecostate leaves that are often somewhat falcate. It has been segregated from Plagiothecium because of the absence of both decurrent leaves and a hyaloderm.
see key to Hypnum Etc.

Species included:
Isopterygiopsis pulchella (Hedwig) Iwatsuki