| Eragrostis cilianensis (All.) Vignolo ex Janch., 1907 |
| Eragrostis cilianensis subsp. megastachya (Koeler) Maire & Weiller, 1953 |
| Eragrostis ciliaris (L.) R. Br., 1818 |
| Eragrostis ciliaris var. ciliaris (L.) R. Br., 1818 |
| Eragrostis ciliaris var. laxa Kuntze, 1891 |
| Eragrostis ciliaris var. patens Chapm. ex Beal, 1896 |
| Eragrostis collocarpa K. Schum., 1895 |
| Eragrostis compacta Salzm. ex Steud., 1854 |
| Eragrostis conferta (Elliott) Trin., 1830 |
| Eragrostis conganta Steud., 1854 |
| Eragrostis contrerasii R.W. Pohl, 1977 |
| Eragrostis cordobensis Jedwabn., 1924 |
| Eragrostis curtipedicellata Buckley, 1862 |
| Eragrostis curvula (Schrad.) Nees, 1841 |
| Eragrostis curvula var. atrata (Schweinf.) Cufod., 1968 |
| Eragrostis damiensiana (Bonnet) Thell., 1928 |
| Eragrostis damiensiana var. condensata (Hack.) Thell., 1928 |
| Eragrostis damiensiana var. laxior Thell., 1928 |
| Eragrostis delicatula Trin., 1836 |
| Eragrostis diffusa Buckley, 1862 |