Fimbristylis rigidula Fimbristylis rigidula NEES in Wight, Contr.: 99. 1834≡Fimbristylis hanceana BOECK. in Linnaea 38: 394. 1874≡Fimbristylis ferruginea (non VAHL) VIDAL, Phan. Cuming.: 156. 1885