Mammillaria confinis J.N.Haage ex Walp., Repert. Bot. Syst. 2: 289. 1843 Mammillaria confinis J.N.Haage ex Walp., Repert. Bot. Syst. 2: 289. 1843Taxon for this nameMammillaria confinis J.N.Haage ex Walp., Repert. Bot. Syst. 2: 289. 1843