Neomammillaria cowperae (Shurly) Y.Itô, Cactaceae: 596. 1981 Neomammillaria cowperae (Shurly) Y.Itô, Cactaceae: 596. 1981is new combination for Mammillaria cowperae Shurly in Cact. Succ. J. Gr. Brit. 21: 58. 1959Taxon for this nameNeomammillaria cowperae (Shurly) Y.Itô