Family Code: ASTERA Genus Code: ASTRA2 Genus CN: western daisy Genus Authority: Nutt. Genus Summary: A genus of about 11 species, herbs, of sc. North America and Mexico. Genus References: Nesom in FNA (2006b); Cronquist (1980)=SE; Nesom (2005a)=Z; DeJong (1965)=Y; Nesom (2000b). Last Updated: 2019-11-29 Publish: 1