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 Viridiplantae Caval.-Sm. (1981) - green plants
                             Infrakingdom Streptophyta Caval.-Sm. (1993)
                               [crown] Clade Phragmoplastophyta Lecointre & Le Guyader 2006 [Hall, McCourt, Delwiche, Mishler & Karol 2020]
                                 [crown] Clade Embryophytaᵀ Engler 1887 [Mishler & Qiu 2020]
                                   Clade Pan-Tracheophytaᵀ Cantino & Donoghue 2007 [Cantino & Donoghue 2020]
                                     Clade Apo-Tracheophytaᵀ Cantino & Donoghue 2007 [Cantino & Donoghue 2020]
                                       [crown] Phylum Tracheophytaᵀ Sinnott ex Caval.-Sm. (1998) - vascular plants
                                         Clade Pan-Euphyllophytaᵀ Cantino & Donoghue 2007 [Cantino & Donoghue 2020]
                                           [crown] Clade Euphyllophytaᵀ Lecointre & Le Guyader 2006 [Cantino & Donoghue 2020]
                                             Subphylum Polypodiophytinaᵀ Reveal (1996) [monotypic]
                                               Class Polypodiopsidaᵀ Cronquist, Takht. & Zimmerm. (1966) - ferns
                                                 Subclass Polypodiidaeᵀ Cronquist, Takht. & Zimmerm. (1966)
                                                   Order Polypodialesᵀ Link (1833) - cathetogyrates
                                                     Suborder Pteridineae [monotypic]
                                                       Family Pteridaceaeᵀ E.D.M.Kirchn. (1831) - pteroids
                                                         [Genus Chrysodium Fée]
                                                         [Genus Copelandiopteris Stone]
                                                         [Genus Gymnogramme]
                                                         [Genus Idiopteris]
                                                         [Genus Litobrochia C.Presl]
                                                         [Genus Neurogramme]
                                                         [Genus Nothochlaena]
                                                         [Genus Pleurogramme R.Br.]
                                                         [Genus Pteropsis Desv. (1827)] see Genus Drymoglossum C.Presl
                                                         [Genus Schizostege W.F. Hillebrand (1888)]
                                                         1 Subfamily Parkerioideae Burnett (1835)
                                                         1.0 [Subfamily Ceratopteridoideae R.M.Tryon (1987)] see Subfamily Parkerioideae Burnett (1835)
                                                         2 Subfamily Cryptogrammoideae S. Linds. (2009)
                                                         3 Subfamily Pteridoideaeᵀ Link (1841)
                                                         3.0 [Subfamily Platyzomatoideae (Nakai) A.F.Tryon [monotypic]] see Subfamily Pteridoideae Link (1841)
                                                         3.0 [Subfamily Taenitidoideae (C.Presl) R.M.Tryon] see Subfamily Pteridoideae Link (1841)
                                                         3.1.0 [Genus Afropteris Alston (1956)] see Genus Pteris L. (1753)
                                                         3.1.0 [Genus Anopteris Prantl ex Diels, in Engl. & Prantl (1899)] see Genus Pteris L. (1753)
                                                         4 Subfamily Vittarioideae Link (1841)
                                                         4.0 [Subfamily Adiantoideae Horvat (1927)] see Subfamily Vittarioideae Link (1841)
                                                         5 Subfamily Cheilanthoideae Horvat (1927)
                                                         5.4.0 [Genus Holcochlaena Baker] see Section Pellaea sect. Holcochlaena
                                                         5.4.0 [Genus Platyloma J.Sm.] see Section Pellaea sect. Platyloma
                                                         6 [Genus Neurocallis Fée (1845), nom. corr.] see Genus Nevrocallis Fée (1845)