Flora van Nederland Haeckel (1866) - plants Division Pteridophyta Schimp. (1879) see Subphylum Pteridophytina (Eichler) Cavalier-Sm. (1998) Class Lycopsida - club-mosses see Class Lycopodiopsida Bartl. (1830) Family Lycopodiaceae P.Beauv. ex Mirb. (1802) - clubmosses Genus Lycopodium L. (1753) Lycopodium complanatum L. - christmas green see Diphasiastrum complanatum (L.) Holub (1975)