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
                           [Division Tracheophyta] see Phylum Tracheophyta Sinnott ex Caval.-Sm. (1998)
                             [Subdivision Filicophytina] see Infraphylum Moniliformopses Kenrick & P.R.Crane (1997), nom. inval.
                               1 [Class Ophioglossinae] see Class Psilotopsida D.H.Scott (1909)
                               2 [Class Marattinae] see Class Marattiopsida Doweld (2001)
                               3 [Class Osmundinae] see Class Polypodiopsida Cronquist, Takht. & Zimmerm. (1966)
                               4 [Class Polypodinae] see Class Polypodiopsida Cronquist, Takht. & Zimmerm. (1966)
                               5 [Class Marsileinae] see Class Polypodiopsida Cronquist, Takht. & Zimmerm. (1966)
                               6 [Class Salvininae] see Class Polypodiopsida Cronquist, Takht. & Zimmerm. (1966)