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 Jungermanniales H. Klinggr. Suborder Jungermanniineae R.M. Schust. ex Stotler & Crand.-Stotl. Family Gymnomitriaceae H. Klinggr. (1958) Genus Gymnomitrion Corda (1829), nom. cons.