Family Code: CYPERA Genus Code: ERIOP Genus CN: cottongrass Genus Authority: L. Genus Summary: A genus of about 20 species, herbs, primarily north temperate, boreal, and arctic. Genus References: Ball & Wujek in FNA (2002b); Goetghebeur in Kubitzki (1998b). Last Updated: 2019-11-29 Publish: 1