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 Cephaloziineae Schljakov (1972)
               Family Scapaniaceae Mig.
                 Genus Douinia (C.N. Jensen) H. Buch