Phylum Bryophyta A.Braun (1864) - bryophytes
   Class Bryopsida McClatchie (1897) - mosses
     Subclass Dicranidae Doweld (2001)
       Order Grimmiales M. Fleisch.
         1 Family Grimmiaceae Arn.
         2 Family Ptychomitriaceae Schimp.
         3 Family Scouleriaceae S.P. Churchill
         4 Family Drummondiaceae Goffinet (2000)