Acanthocereus princeps (Pfeiff.) Backeb., Descr. Cact. Nov. 3: 5. 1963 Acanthocereus princeps (Pfeiff.) Backeb., Descr. Cact. Nov. 3: 5. 1963is new combination for Cereus princeps Pfeiff., Enum. Diagn. Cact.: 108. 1837Taxon for this nameAcanthocereus princeps (Pfeiff.) Backeb.