Family CN: Swamp-pink Family Family Code: HELONI Family Authority: J. Agardh 1858 Summary: A family of 3 genera and 15 species, perennial herbs, of e. North America and e. Asia. Reference: Dahlgren, Clifford, & Yeo (1985); Zomlefer (1997a)=Z; Zomlefer (1996, 2003); Tamura in Kubitzki (1998a); Zomlefer et al. (2001). Last Updated: 2016-02-18 Publish: 1