Kingdom Chlorobiota C.Jeffrey ex Doweld (2001) - plants see Subkingdom Viridiplantae Caval.-Sm. (1981) Subkingdom Bryobiotina Campb. (1890) Division Bryophyta A.Braun (1864) - mosses and liverworts see Phylum Bryophyta A.Braun (1864) Subdivision Bryophytina Engl. (1892) see Subphylum Bryophytina Engl. (1892) Class Bryopsida McClatchie (1897) - mosses Subclass Dicranidae Doweld (2001) Order Pottiales M. Fleisch. Family Pottiaceae Hampe (1853), nom. cons. Genus Ephemerum Hampe (1837), nom. cons.