Neomammillaria denudata (Engelm.) Britton & Rose, Cactaceae 4: 129, f. 139. 1923 Neomammillaria denudata (Engelm.) Britton & Rose, Cactaceae 4: 129, f. 139. 1923is new combination for Mammillaria lasiacantha var. denudata Engelm., Rep. U.S. Mex. Bound., Cact.: 5. 1859Taxon for this nameNeomammillaria denudata (Engelm.) Britton & Rose