| Tridax brachylepis Hemsl., 1881 |
| Tridax candidissima A. Gray, 1879 |
| Tridax coronopifolia (Kunth) Hemsl., 1881 |
| Tridax dubia Rose, 1895 |
| Tridax durangensis García Arév., 1990 |
| Tridax erecta A. Gray, 1886 |
| Tridax hintonii (Turner & Powell) D.J. Keil, Luckow & Pinkava, 1988 |
| Tridax hintoniorum B.L. Turner, 1992 |
| Tridax luisana Brandegee, 1909 |
| Tridax mexicana A.M. Powell, 1963 |
| Tridax moorei B.L. Rob., 1979 |
| Tridax oaxacana B.L. Turner, 1988 |
| Tridax obovata Turcz., 1851 |
| Tridax palmeri A. Gray, 1879 |
| Tridax palmeri var. palmeri A. Gray, 1879 |
| Tridax paneroi B.L. Turner, 2012 |
| Tridax petrophila B.L. Rob. & Greenm., 1896 |
| Tridax platyphylla B.L. Rob., 1907 |
| Tridax procumbens L., 1753 |
| Tridax purpurea S.F. Blake, 1937 |