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 Thelypteridaceae Ching ex Pic.Serm. (1970) - thelypteroids Genus Thelypteris Schmidel (1763), nom. cons. 1 Thelypteris palustris (A.Gray) Schott (1834) - eastern marsh fern