Family Code: ASTERA Genus Code: CROPT Genus CN: scratchdaisy Genus Authority: Raf. Genus Summary: A genus of 3 species, herbs, of s. North America. Genus References: Smith (1981); Correll & Johnston (1970); Cronquist (1980)=SE; Nesom (2000b). Last Updated: 2019-11-29 Publish: 1