Armatocereus rauhii Backeb., Descr. Cact. Nov. 1: 13. 1957 ["1956"] Armatocereus rauhii Backeb., Descr. Cact. Nov. 1: 13. 1957 ["1956"]Taxon for this nameArmatocereus rauhii Backeb., Descr. Cact. Nov. 1: 13. 1957 ["1956"]