Scientific name: Fimbristylis obtusata (C. B. Clarke) Ridl. 1925 (CCVN, 3: 646)
English name:
Vietnamese name: Cói (Cỏ) quăn tù; Mao thư tù
Other name: Fimbristylis tenera var. obtusata C. B. Clarke, 1894. - Fimbristylis nigrobrunnea var. thorelii E. Camus, 1910 (FGI, 7: 121, p.p.);