Acacia janzenii Ebinger & Seigler Acacia janzenii Ebinger & Seigler, SouthW. Naturalist 32(2): 245-248, f. 1-2, 1987 sec. Rico 2007=Vachellia janzenii (Ebinger & Seigler) Seigler & Ebinger in Phytologia 87(3): 160. 2006 ["2005"] syn. sec. Rico 2007