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 Ophioglossaceae Martinov (1820) - ophioglossoids Genus Ophioglossum L. (1753) - adder tongues Ophioglossum vulgatum L. (1753) - southern adderstongue