Pilosocereus gounellei var. zehntneri (Britton & Rose) Byles & G.D.Rowley in Cact. Succ. J. Gr. Brit. 19(3): 67. 1957
Pilosocereus gounellei var. zehntneri in Cact. Succ. J. Gr. Brit. 19(3): 67. 1957
is new combination for Cephalocereus zehntneri, Cactaceae 2: 35–36, f. 41. 1920