| Calliandra siltepecensis Lundell, 1941 |
| Calliandra sinaloana (Britton & Rose) Standl., 1933 |
| Calliandra spraguei (Britton & Rose) Lundell, 1939 |
| Calliandra strigillosa (Britton & Rose) Standl. ex Leavenw., 1946 |
| Calliandra tehuantepecensis (L. Rico & M. Sousa) E.R. Souza & L.P. Queiroz, 2013 |
| Calliandra tergemina (L.) Benth., 1844 |
| Calliandra tergemina var. emarginata (Willd.) Barneby, 1998 |
| Calliandra tetragona (Willd.) Benth., 1840 |
| Calliandra trinervia Benth., 1844 |
| Calliandra trinervia var. arborea (Standl.) Barneby, 1998 |
| Calliandra unijuga Rose, 1899 |
| Calliandra xalapensis Benth., 1844 |
| Calliandropsis H.M. Hern. & P. Guinet, 1990 |
| Calliandropsis nervosa (Britton & Rose) H.M. Hern. & P. Guinet, 1990 |
| Calopogonium Desv., 1826 |
| Calopogonium brachycarpum (Benth.) Benth. ex Hemsl., 1880 |
| Calopogonium caeruleum (Benth.) C. Wright, 1869 |
| Calopogonium ferrugineum Piper, 1921 |
| Calopogonium flavidum Brandegee, 1913 |
| Calopogonium galactioides (Kunth) Benth. ex Hemsl., 1880 |