Flora van Nederland Haeckel (1866) - plants Division Pteridophyta Schimp. (1879) see Subphylum Pteridophytina (Eichler) Cavalier-Sm. (1998) Class Sphenopsida see Class Equisetopsida C.Agardh (1825) Family Equisetaceae Michx. ex DC. (1804) - horsetails Genus Equisetum L. (1753) Equisetum telmateia Ehrh. (1783) - giant horsetail