Natura - nature
   actualia - actual entities
     Mundus Plinius - physical world
       naturalia - natural bodies
         [crown] Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
           Clade neomura Cavalier-Smith, 1987
             Domain Eukaryota Chatton, 1925 - eukaryotes
               Clade discaria Cavalier-Smith, 2021
                 Clade natates Cavalier-Smith, 2021
                   Clade photaria Cavalier-Smith, 2021
                     Clade eucorta Cavalier-Smith, 2021
                       Superkingdom Corticata Lankester, 1878 - corticates
                         Kingdom Plantae Haeckel (1866) - plants
                           [Subkingdom Embryobionta Cronquist, Takht. & W.Zimm.]
                             [Division Filicophyta] see Phylum Pterophyta
                               1 [Subdivision Ophioglossopsida Thomé] see Class Ophioglossopsida Thomé (1874)
                               2 [Subdivision Marattiopsida Doweld (2001)] see Class Marattiopsida Doweld (2001)
                               3 [Subdivision Filicopsida Pfefferkorn (1976)] see Class Filicopsida C.Agardh (1822)