vegetable kingdom
   Cryptogams
     Class Acrogens Lindl.
       Alliance Muscales Lindl. [monotypic]
         Hepaticæ Juss. (1789)
           I Natural order Ricciaceæ Rchb. (1828)
           II Natural order Marchantiaceæ Cord.
           III Natural order Jungermanniaceæ Lindl.