| Cassia florida Vahl, 1794 |
| Cassia foetida Sessé & Moc., 1894 |
| Cassia foetidissima Sessé & Moc. ex G. Don, 1832 |
| Cassia fruticosa Mill., 1768 |
| Cassia fulva Brandegee, 1906 |
| Cassia geminiflora Moc. & Sessé ex Collad., 1816 |
| Cassia gigantea Bertero ex DC., 1825 |
| Cassia glandulosa L., 1759 |
| Cassia glutinosa DC., 1825 |
| Cassia goldmanii Rose, 1906 |
| Cassia grandis L. f., 1782 |
| Cassia greggii A. Gray, 1852 |
| Cassia hayesiana (Britton & Rose) Standl., 1933 |
| Cassia herpetica Jacq., 1767 |
| Cassia hintonii Sandwith, 1936 |
| Cassia hirsutissima Glaz., 1906 |
| Cassia hispida Collad., 1816 |
| Cassia hispidula Vahl, 1807 |
| Cassia holwayana Rose, 1905 |
| Cassia humilis Collad., 1816 |