Family Code: EQUISE Genus Code: EQUIS Genus CN: horsetail Genus Authority: L. Genus Summary: A genus of about 15 species, nearly cosmopolitan in distribution. Genus References: Hauke in FNA (1993b); Zhang & Turland in FoC (2013); Lellinger (1985); Mickel (1979); Hauke in Kramer & Green (1990); Des Marais et al. (2003); Guillon (2004). Last Updated: 2019-11-29 Publish: 1