living organisms see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Superkingdom Eukaryotae see Domain Eukaryota Chatton, 1925
     Kingdom Plantae Haeckel (1866) - plants
       Subkingdom Embryobionta Cronquist, Takht. & W.Zimm.
         Division Filicophyta see Phylum Pterophyta
           Subdivision Filicopsida Pfefferkorn (1976) see Class Filicopsida C.Agardh (1822)
             Order Filicales Dumort. (1829), nom. illeg. see Order Polypodiales Link (1833)
               Family Davalliaceae M.R. Schomb. (1848) - davallioids
                 1 Genus Davallia Sm. (1793)
                 2 Genus Humata Cav. (1802) see Genus Davallia Sm. (1793)
                 3 Genus Oleandra Cav. (1799)
                 4 Genus Nephrolepis Schott (1834)