Family Code: POACEA Genus Code: TRISE Genus CN: oatgrass Genus Authority: Pers. Genus Summary: A genus of about 75-85 species, north and south temperate. Genus References: Rumely in FNA (2007a); Randall & Hilu (1986)=Z; Tucker (1996)=Y. [also see Sphenopholis] Last Updated: 2019-11-29 Publish: 1