Family Code: POACEA Genus Code: DIGIT2 Genus CN: crabgrass Genus Authority: Haller Genus Summary: A genus of about 200 species, primarily in the tropics and subtropics. Most of our species occur primarily in disturbed situations; their original distributions and habitats are now obscure. Genus References: Wipff in FNA (2003a); Webster (1987)=Z; Wipff & Hatch (1994)=Y; Wipff (1996b)=X; Webster (1980). Last Updated: 2019-11-29 Publish: 1