Kingdom [Plantae] Haeckel (1866) - plants
   Division Pteridophyta Schimp. (1879) see Subphylum Pteridophytina (Eichler) Cavalier-Sm. (1998)
     Class Filicopsida C.Agardh (1822) - ferns see Class Polypodiopsida Cronquist, Takht. & Zimmerm. (1966)
       Order Filicales Dumort. (1829), nom. illeg. see Order Polypodiales Link (1833)
         1 Family Gleicheniaceae C.Presl (1825) - forking ferns
         2 Family †Cynepteridaceae Ash (1969)
         3 Family Matoniaceae C.Presl (1847) - matonioids
         4 Family Dipteridaceae Seward & E.Dale (1901)
         5 Family Polypodiaceae J.Presl & C.Presl (1822) - polygrams
         6 Family Dicksoniaceae M.R.Schomb. (1848), nom. cons. - dicksonioids