| Caesalpinia hughesii G.P. Lewis, 1998 |
| Caesalpinia intricata (Brandegee) Fisher, 1893 |
| Caesalpinia jamesii (Torr. & A. Gray) Fisher, 1893 |
| Caesalpinia jayabo M. Gómez, 1880 |
| Caesalpinia laxa Benth., 1840 |
| Caesalpinia macvaughii J.L. Contr. & G.P. Lewis, 1992 |
| Caesalpinia major (Medik.) Dandy & Exell, 1938 |
| Caesalpinia melanadenia (Rose) Standl., 1922 |
| Caesalpinia melanosticta (S. Schauer) Fisher, 1893 |
| Caesalpinia mexicana A. Gray, 1862 |
| Caesalpinia mexicana var. californica A. Gray, 1861 |
| Caesalpinia mexicana var. pubescens B.L. Rob. & Greenm., 1894 |
| Caesalpinia mollis (Kunth) Spreng., 1827 |
| Caesalpinia multiflora B.L. Rob., 1892 |
| Caesalpinia multijuga (S. Watson) Fisher, 1893 |
| Caesalpinia nelsonii (Britton & Rose) J.L. Contr. ex G.P. Lewis, 1998 |
| Caesalpinia ortegae Standl., 1923 |
| Caesalpinia oxycarpa (Benth. ex A. Gray) Fisher, 1893 |
| Caesalpinia oyamae Sotuyo & G.P. Lewis, 2007 |
| Caesalpinia palmeri S. Watson, 1889 |