Kingdom Chlorobiota C.Jeffrey ex Doweld (2001) - plants see Subkingdom Viridiplantae Caval.-Sm. (1981) Subkingdom Bryobiotina Campb. (1890) Division Marchantiophyta Stotler & Crand.-Stotl. (2000) see Phylum Marchantiophyta Stotler & Crand.-Stotl. (2000) Class Jungermanniopsida Stotler & Crand.-Stotl. (1977) - leafy liverworts Subclass Jungermanniidae Engl. (1893) Order Ptilidiales Schljakov Family Ptilidiaceae H. Klinggr. [monotypic] Genus Ptilidium Nees (1833)