Cephalocereus backebergii (Weing.) Borg, Cacti, ed. 2: 149. 1951 Cephalocereus backebergii (Weing.) Borg, Cacti, ed. 2: 149. 1951is new combination for Cereus backebergii Weing. in Monatsschr. Deutsch. Kakteen-Ges. 2: 167. 1930Taxon for this nameCephalocereus backebergii (Weing.) Borg