Family Code: RANUNC Genus Code: COPTI Genus CN: goldthread Genus Authority: Salisb. Genus Summary: A genus of about 15 species, perennial herbs, of boreal to temperate e. Asia and North America. Genus References: Ford in FNA (1997); Tamura in Kubitzki, Rohwer, & Bittrich (1993). Last Updated: 2019-11-29 Publish: 1