Family Code: LAMIAC Genus Code: COLLI2 Genus CN: horsebalm Genus Authority: L. Genus Summary: A genus of about 4 species, perennial herbs, of e. North America. Genus References: Peirson, Cantino, & Ballard (2006)=Y; Shinners (1962b)=Z; Harley et al. in Kadereit (2004). Key adapted from Y and Z. Last Updated: 2019-11-29 Publish: 1