Cereus backebergii Weing. in Monatsschr. Deutsch. Kakteen-Ges. 2: 167. 1930
Cereus backebergii in Monatsschr. Deutsch. Kakteen-Ges. 2: 167. 1930
is basionym for Cephalocereus backebergii, Cacti, ed. 2: 149. 1951
is basionym for Pilocereus backebergii in Möller's Deutsche Gärtn.-Zeitung 45: 81. 1930
is basionym for Pilosocereus backebergii in Cact. Succ. J. Gr. Brit. 19(3): 66. 1957
Type: not designated