Mammillaria longiflora (Britton & Rose) A.Berger, Kakteen: 296. 1929 Mammillaria longiflora (Britton & Rose) A.Berger, Kakteen: 296. 1929is new combination for Neomammillaria longiflora Britton & Rose, Cactaceae 4: 163–164, f. 181. 1923Taxon for this nameMammillaria longiflora (Britton & Rose) A.Berger, Kakteen: 296. 1929