Neomammillaria haageana (Pfeiff.) Britton & Rose, Cactaceae 4: 110–11, f. 112. 1923 Neomammillaria haageana (Pfeiff.) Britton & Rose, Cactaceae 4: 110–11, f. 112. 1923is new combination for Mammillaria haageana Pfeiff. in Allg. Gartenzeitung 4: 257. 1836Taxon for this nameNeomammillaria haageana (Pfeiff.) Britton & Rose