Vachellia cookii (Saff.) Seigler & Ebinger Vachellia cookii (Saff.) Seigler & Ebinger in Phytologia 87 (3): 153. 2006 sec. Seigler, D. S. & Ebinger, J. E.: New combinations in the genus Vachellia (Fabaceae: Mimosoideae) from the New World. – Phytologia 87(3): 139–178