Natura - nature actualia - actual entities Mundus Plinius - physical world naturalia - natural bodies Biota "neomura" Domain Eukaryota Chatton, 1925 - eukaryotes "neokaryotes" - mitochondrial eukaryotes "neozoa" Superkingdom Corticata Lankester, 1878 Kingdom Plantae Haeckel (1866) - plants Subkingdom Viridiplantae Caval.-Sm. (1981) - green plants Infrakingdom Streptophyta C. Jeffrey (1967) Superphylum Embryophyta "polysporangiophytes" Phylum Tracheophyta Sinnott ex Caval.-Sm. (1998) - vascular plants Subphylum Euphyllophytina Infraphylum "Moniliformopses" Kenrick & Crane, 1997, nom. inval. - monilophytes Class Polypodiopsida Cronquist, Takht. & Zimmerm. (1966) - ferns "core leptosporangiates" Order Polypodiales Link (1833) - polypods "eupolypods" "eupolypods I" Family Polypodiaceae Bercht. & J. Presl (1820) - polygrams Subfamily Polypodioideaeᵀ Tribe Polypodieaeᵀ Genus Polypodiumᵀ L. (1753) Polypodium aureum Linnaeus Polypodium interjectum Shivas Polypodium ×mantoniae Rothm. Polypodium phyllitidis Linnaeus Polypodium subauriculatum Blume Polypodium virginianum Linnaeus - rock polypody Polypodium vulgare Linnaeus