Havardia mexicana (Rose) Britton & Rose Havardia mexicana (Rose) Britton & Rose, N. Amer. Fl. 23(1): 41. 1928 sec. Sousa & al. 2003≡Pithecellobium mexicanum Rose in Contr. U.S. Natl. Herb. 1: 100. 1891 syn. sec. Sousa & al. 2003