Paspalum acuminatum Raddi Paspalum acuminatum Raddi, Agrostogr. Bras.: 25. 1823 sec. Dávila & al. 2018=Paspalum serratum Hitchc. & Chase in Contr. U.S. Natl. Herb. 18(7): 306. 1917 syn. sec. Dávila & al. 2006