1 Natura - nature
   2.1 actualia - actual entities
     2 Mundus Plinius - physical world
       3 naturalia - natural bodies
         2 Biota
           3.2 Domain Eukaryota Chatton, 1925 - eukaryotes
             2 Bikonta
               2 Diaphoretickes Adl et al., 2012
                 3 Kingdom Plantae Haeckel, 1866 - plants
                   2.2 Viridiplantae Cavalier-Smith, 1981 - green plants
                     2 Streptophyta
                       1.3.2.2.3 Embryophyta Endlicher, 1836
                         2.2.1 Phylum Bryophyta A. Braun (1864) - mosses
                           6 Class Bryopsida - mosses
                             4 Subclass Bryidae Engl. (1892)
                               3.2 Superorder Hypnanae W.R. Buck & B. Goffinet, 2000 ex W.R. Buck et al., 2005
                                 2 Order Hypnalesᵀ
                                   01 Family Rutenbergiaceae (Broth.) M. Fleisch.
                                   02 Family Trachylomataceae (M. Fleisch.) W.R. Buck & Vitt
                                   03 Family Amblystegiaceae G. Roth
                                   04 Family Cratoneuraceae Mönk.
                                   05 Family Helodiaceae (M. Fleisch.) Ochyra
                                   06 Family Hylocomiaceae (Broth.) M. Fleisch.
                                   07 Family Rhytidiaceae Broth. [monotypic]
                                   08 Family Leskeaceae Schimp.
                                   09 Family Regmatodontaceae Broth.
                                   10 Family Pterigynandraceae Schimp.
                                   11 Family Rigodiaceae H.A. Crum, 1984
                                   12 Family Thuidiaceae Schimp.
                                   13.1 Family Campyliaceae (Kanda, 1975[1976]) W.R. Buck, in W.R. Buck & B. Goffinet, in A.J. Shaw & B. Goffinet, eds., 2000
                                   13.2 Family Scorpidiaceae Ignatov & Ignatova (2004)
                                   14 Family Brachytheciaceae G. Roth
                                   15 Family Stereophyllaceae (M. Fleisch.) W.R. Buck & Ireland
                                   16 Family Myriniaceae Schimp.
                                   17 Family Fabroniaceae Schimp.
                                   18 Family Meteoriaceae Kindb.
                                   19 Family Plagiotheciaceae (Broth.) M. Fleisch.
                                   20 Family Fontinalaceae Schimp.
                                   21 Family Entodontaceae Kindb.
                                   22 Family Climaciaceae Kindb.
                                   23 Family Pleuroziopsidaceae R.R. Ireland, 1968 [monotypic]
                                   24 Family Hypnaceaeᵀ Schimp.
                                   25 Family Catagoniaceae W.R. Buck & Ireland
                                   26 Family Symphyodontaceae M. Fleisch.
                                   27 Family Sematophyllaceae Broth.
                                   28 Family Hydropogonaceae W.H. Welch
                                   29 Family Myuriaceae M. Fleisch.
                                   30 Family Cryphaeaceae Schimp.
                                   31 Family Prionodontaceae Broth.
                                   32 Family Leucodontaceae Schimp.
                                   33 Family Pterobryaceae Kindb.
                                   34.1 Family Phyllogoniaceae Kindb.
                                   34.2 Family Orthorrhynchiaceae S.H. Lin
                                   35 Family Lepyrodontaceae Broth.
                                   36 Family Neckeraceae Schimp.
                                   37 Family Echinodiaceae Broth.
                                   38 Family Leptodontaceae Schimp.
                                   39 Family Lembophyllaceae Broth.
                                   40 Family Anomodontaceae Kindb.
                                   41 Family Theliaceae (Broth.) M. Fleisch.
                                   42 Family Microtheciellaceae H.A. Miller & A.J. Harrington, 1977 [monotypic]
                                   43 Family Sorapillaceae M. Fleisch.