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 Marchantiopsida Cronquist, Takht. & W.Zimm. (1966) - thalloid liverworts
         Subclass Blasiidae He-Nygrén, Juslén, Ahonen, Glenny & Piippo [monotypic]
           Order Blasiales Stotler & Crand.-Stotl. [monotypic]
             Family Blasiaceae H. Klinggr.
               Genus Blasia L. (1753)