| Saccharum polystachyum Sw., 1788 |
| Saccharum repens Willd., 1797 |
| Saccharum rubicundum Cuzent & Pancher ex Drake, 1892 |
| Saccharum sagittatum Aubl., 1775 |
| Saccharum spontaneum L., 1771 |
| Saccharum trinii (Hack.) Renvoize, 1984 |
| Saccharum villosum Steud., 1854 |
| Saccharum violaceum Tussac, 1808 |
| Sacciolepis Nash, 1901 |
| Sacciolepis gibba (Elliott) Nash, 1901 |
| Sacciolepis myuros (Lam.) Chase, 1908 |
| Sacciolepis striata (L.) Nash, 1903 |
| Sacciolepis striata f. gibba (Elliott) Fernald, 1942 |
| Salmasia Bubani, 1901 |
| Salmasia flexuosa (L.) Bubani, 1901 |
| Salmasia vulgaris Bubani, 1901 |
| Sanguinaria Bubani, 1901 |
| Sanguinaria ciliaris (Retz.) Bubani, 1901 |
| Sanguinella Gleichen, 1764 |
| Santia Savi, 1799 |