Family Code: HYDROC Genus Code: ELODE Genus CN: waterweed Genus Authority: Michx. Genus Summary: A genus of about 5-12 species, aquatic herbs, native of temperate America. Genus References: Cook & Urmi-König (1985)=Z; Haynes in FNA (2000); Cook in Kubitzki (1998b). Last Updated: 2019-11-29 Publish: 1