Cleistocactus ayopayanus Cárdenas in Cact. Succ. J. (Los Angeles) 28: 58. 1956 Cleistocactus ayopayanus Cárdenas in Cact. Succ. J. (Los Angeles) 28: 58. 1956Taxon for this nameCleistocactus ayopayanus Cárdenas