| Sporobolus schoenoides (L.) P.M. Peterson, 2014 |
| Sporobolus shepherdii Vasey, 1887 |
| Sporobolus simplex Scribn., 1898 |
| Sporobolus simplex var. thermale Merr., 1902 |
| Sporobolus spartinae (Trin.) P.M. Peterson & Saarela, 2014 |
| Sporobolus spiciformis Swallen, 1943 |
| Sporobolus splendens Swallen, 1958 |
| Sporobolus strictus (Scribn.) Merr., 1901 |
| Sporobolus subinclusus Phil., 1870 |
| Sporobolus subinclusus var. expansus Parodi, 1928 |
| Sporobolus sundaicus Ohwi, 1947 |
| Sporobolus tenuispica Hack., 1909 |
| Sporobolus tenuissimus (Mart. ex Schrank) Hack., 1904 |
| Sporobolus tenuissimus (Mart. ex Schrank) Kuntze, 1898 |
| Sporobolus teretifolius R.M. Harper, 1906 |
| Sporobolus tharpii Hitchc., 1928 |
| Sporobolus tremulus (Willd.) Kunth, 1829 |
| Sporobolus trichodes Hitchc., 1913 |
| Sporobolus tricholepis (Torr.) J.M. Coult., 1885 |
| Sporobolus tuberculatus Hack., 1906 |