| Fimbristylis melanospora Fernald, 1901 |
| Fimbristylis mexicana Palla, 1908 |
| Fimbristylis miliacea (L.) Vahl, 1805 |
| Fimbristylis monostachya (L.) Hassk., 1848 |
| Fimbristylis mucronulata (Michx.) S.F. Blake, 1918 |
| Fimbristylis obscura Fernald, 1901 |
| Fimbristylis obtusifolia (Lam.) Kunth, 1837 |
| Fimbristylis ovata (Burm. f.) J. Kern., 1967 |
| Fimbristylis pallidula Kral, 1971 |
| Fimbristylis papillosa (Kük.) Alain, 1965 |
| Fimbristylis pentastachya Boeckeler, 1857 |
| Fimbristylis polymorpha Boeckeler, 1869 |
| Fimbristylis preslii Kunth, 1837 |
| Fimbristylis puberula Vahl, 1805 |
| Fimbristylis puberula var. interior (Britton) Kral, 1971 |
| Fimbristylis quinquangularis (Vahl) Kunth, 1837 |
| Fimbristylis savannarum Alain, 1965 |
| Fimbristylis scherardii Bubani, 1850 |
| Fimbristylis serratula Vahl, 1805 |
| Fimbristylis sintenisii Boeckeler, 1886 |