1. FW Gould, and RB Shaw Grass Systematics ,2 nd ed.College Station, TX:Texas A&M University Press,1983 , pp.1 -15 .
2. AS Hitchcock Manual of the Grasses of the United States ,2 nd ed.New York:Dover Pub., Inc.,1971 , pp.1 -14 .
3. Salinity Tolerance in Turfgrasses