Pilosocereus backebergii (Weing.) Byles & G.D.Rowley in Cact. Succ. J. Gr. Brit. 19(3): 66. 1957
Pilosocereus backebergii in Cact. Succ. J. Gr. Brit. 19(3): 66. 1957
is new combination for Cereus backebergii in Monatsschr. Deutsch. Kakteen-Ges. 2: 167. 1930