Phylum Bryophyta A.Braun (1864) - bryophytes
   Class Bryopsida McClatchie (1897) - mosses
     Subclass Dicranidae Doweld (2001)
       Order Dicranales H. Philib. ex M. Fleisch.
         Family Dicranaceae Schimp.
           Genus Holomitrium Brid. (1826), nom. cons., orth. cons.