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 Azollaceae Wettst. (1903) see Family Salviniaceae Martinov (1820) Genus Azolla Lam. (1783) Azolla caroliniana Willd. - Carolina mosquitofern