Phylum Bryophyta A.Braun (1864) - bryophytes Class Bryopsida McClatchie (1897) - mosses Subclass Bryidae Engl. (1892) - mosses Superorder Bryanae Goffinet & W.R. Buck Order Bryales Limpr. Family Mniaceae Schwägr. Genus Mnium Hedw. (1801), nom. cons.