| Senegalia tenuifolia (L.) Britton & Rose, 1928 |
| Senegalia wrightii (Benth.) Britton & Rose, 1928 |
| Senegalia x emoryana (Benth.) Britton & Rose, 1928 |
| Senegalia x zamudioi Seigler, Ebinger & C.E. Glass, 2013 |
| Senna Mill., 1754 |
| Senna acatlanensis C. Rojas-Mart. & A. Delgado, 2019 |
| Senna alata (L.) Roxb., 1832 |
| Senna andrieuxii (Benth.) H.S. Irwin & Barneby, 1982 |
| Senna apiculata (M. Martens & Galeotti) H.S. Irwin & Barneby, 1982 |
| Senna apiculata var. apiculata (M. Martens & Galeotti) H.S. Irwin & Barneby, 1982 |
| Senna apiculata var. longipes H.S. Irwin & Barneby, 1982 |
| Senna argentea (Kunth) H.S. Irwin & Barneby, 1982 |
| Senna arida (Rose) H.S. Irwin & Barneby, 1982 |
| Senna armata (S. Watson) H.S. Irwin & Barneby, 1982 |
| Senna atomaria (L.) H.S. Irwin & Barneby, 1982 |
| Senna bacillaris (L. f.) H.S. Irwin & Barneby, 1982 |
| Senna bauhinioides (A. Gray) H.S. Irwin & Barneby, 1979 |
| Senna bicapsularis (L.) Roxb., 1832 |
| Senna centranthera H.S. Irwin & Barneby, 1982 |
| Senna cobanensis (Britton & Rose) H.S. Irwin & Barneby, 1982 |