Flora van Nederland 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) Family Polypodiaceae J.Presl & C.Presl (1822) - polygrams Genus Polypodium L. (1753) Polypodium interjectum Shivas