| Diphysa Jacq., 1760 |
| Diphysa americana (Mill.) M. Sousa, 1990 |
| Diphysa carthagenensis Jacq., 1760 |
| Diphysa echinata Rose, 1909 |
| Diphysa floribunda Peyr., 1859 |
| Diphysa humilis Oerst., 1854 |
| Diphysa macrocarpa Standl., 1922 |
| Diphysa macrophylla Lundell, 1939 |
| Diphysa microphylla Rydb., 1924 |
| Diphysa minutifolia Rose, 1909 |
| Diphysa occidentalis Rose, 1909 |
| Diphysa ormocarpoides (Rudd) M. Sousa & R. Antonio, 1991 |
| Diphysa paucifoliolata R. Antonio & M. Sousa, 1991 |
| Diphysa puberulenta Rydb., 1924 |
| Diphysa punctata Rydb., 1924 |
| Diphysa racemosa Rose, 1891 |
| Diphysa robinioides Benth., 1854 |
| Diphysa sennoides Benth., 1854 |
| Diphysa spinosa Rydb., 1924 |
| Diphysa suberosa S. Watson, 1887 |