life see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Empire Eukaryota (Chatton, 1925) see Domain Eukaryota Chatton, 1925
     Kingdom Plantae Haeckel (1866) - plants
       Subkingdom Viridiplantae Caval.-Sm. (1981) - green plants
         Infrakingdom Cormophyta Caval.-Sm. (1998) - embryophytes see Subkingdom Viridaeplantae Cavalier-Sm. (1981)
           Phylum Bryophyta A.Braun (1864) - bryophytes
             Subphylum Musci (L.) Cavalier-Sm. (1998) - mosses see Phylum Bryophyta A.Braun (1864)
               Infraphylum Bryatae T. Cavalier-Sm. (1998) see Phylum Bryophyta A.Braun (1864)
                 Genus Bryum Hedw.