Phylum Bryophyta A.Braun (1864) - bryophytes Class Bryopsida McClatchie (1897) - mosses Subclass Bryidae Engl. (1892) - mosses Superorder Hypnanae W.R.Buck & Goffinet, 2000, nom. inval. see Superorder Hypnanae W.R.Buck & Goffinet ex W.R. Buck, C.J. Cox, A.J. Shaw & Goffinet (2005) Order Hookeriales M. Fleisch. Suborder Hookeriineae see Order Hookeriales M. Fleisch. Family Leucomiaceae Broth. Genus Leucomium Mitt. (1868)