Armatocereus procerus Rauh & Backeb., Descr. Cact. Nov. 1: 13. 1957 ["1956"] Armatocereus procerus Rauh & Backeb., Descr. Cact. Nov. 1: 13. 1957 ["1956"]Taxon for this nameArmatocereus procerus Rauh & Backeb. in Cactus (Paris) 51: 95. 1956Armatocereus procerus Rauh & Backeb.