| Eleocharis albibracteata Nees & Meyen ex Kunth, 1837 |
| Eleocharis albida Torr., 1836 |
| Eleocharis albida var. berlandieri Britton, 1889 |
| Eleocharis albivaginata Boeckeler, 1869 |
| Eleocharis arenicola Torr. ex Engelm. & Gray, 1845 |
| Eleocharis arsenifera S. González, Tena & T. Alarcón, 2005 |
| Eleocharis articulata Kunth, 1837 |
| Eleocharis atacamensis Phil., 1860 |
| Eleocharis atropurpurea (Retz.) J. Presl & C. Presl, 1828 |
| Eleocharis bella (Piper) Svenson, 1929 |
| Eleocharis berlandieri (Britton) C.B. Clarke, 1900 |
| Eleocharis bernardina (Munz & I.M. Johnst.) Munz & I.M. Johnst., 1935 |
| Eleocharis bicolor Chapm., 1860 |
| Eleocharis bolanderi A. Gray, 1867 |
| Eleocharis bonariensis Nees, 1840 |
| Eleocharis brachycarpa Svenson, 1929 |
| Eleocharis calyptrata (Liebm.) Steud., 1855 |
| Eleocharis cancellata S. Watson, 1883 |
| Eleocharis capitata (L.) R. Br., 1810 |
| Eleocharis caribaea (Rottb.) S.F. Blake, 1918 |