USA, Arizona, Coconino, Canyon Diablo, 4.2km SSW of the confluence of Canyon Diablo Wash and the Little Colorado River, at Sunrise; 3.8km south of Leupp (new); Grand Falls SE Quadrangle
TYPE LOCALITY for Cereus mojavensis Engelm. & Bigelow var. zuniensis Engelm. & Bigelow. Cespitose perennial rooted mostly in crevices of pale gray to tan limestone; frequent but not abundant; spines mostly very pale pink-gray, occasionally red-brown; Only a few individuals with flowers; phototransparancies.