Acacia biaciculata S. Watson in Proc. Amer. Acad. Arts 21: 452. 1886 sec. Rico 2007
- =Acaciopsis biaciculata (S. Watson) Britton & Rose, N. Amer. Fl. 23(2): 96. 1928 syn. sec. Rico 2007
- =Vachellia biaciculata (S. Watson) Seigler & Ebinger in Phytologia 87(3): 145. 2006 ["2005"] syn. sec. Rico 2007