Mammillaria poselgeriana J.N.Haage ex Rümpler, Handb. Cacteenk., ed. 2: 269. 1885 Mammillaria poselgeriana J.N.Haage ex Rümpler, Handb. Cacteenk., ed. 2: 269. 1885Taxon for this nameMammillaria poselgeriana J.N.Haage ex Rümpler