| Eragrostis secundiflora var. capitata (E. Fourn.) Beetle, 1983 |
| Eragrostis sessilispica Buckley, 1862 |
| Eragrostis silveana Swallen, 1932 |
| Eragrostis simpliciflora (J. Presl) Steud., 1854 |
| Eragrostis soratensis Jedwabn., 1924 |
| Eragrostis spectabilis (Pursh) Steud., 1840 |
| Eragrostis spectabilis var. spectabilis (Pursh) Steud., 1840 |
| Eragrostis spicata Vasey, 1891 |
| Eragrostis sporoboloides J.G. Sm. & Bush, 1895 |
| Eragrostis squarrosa E. Fourn., 1886 |
| Eragrostis superba Peyr., 1860 |
| Eragrostis swallenii Hitchc., 1933 |
| Eragrostis tenella (L.) P. Beauv. ex Roem. & Schult., 1817 |
| Eragrostis tenella var. plumosa (Retz.) Stapf, 1897 |
| Eragrostis tenella var. viscosa (Retz.) Stapf, 1896 |
| Eragrostis tenuifolia (A. Rich.) Hochst. ex Steud., 1854 |
| Eragrostis tenuis Steud., 1854 |
| Eragrostis tephrosanthos Roem. & Schult., 1824 |
| Eragrostis tracyi Hitchc., 1934 |
| Eragrostis trichocolea Arechav., 1896 |