Neomammillaria pringlei (J.M.Coult.) Britton & Rose, Cactaceae 4: 115, f. 121. 1923 Neomammillaria pringlei (J.M.Coult.) Britton & Rose, Cactaceae 4: 115, f. 121. 1923is new combination for Cactus pringlei J.M.Coult. in Contr. U.S. Natl. Herb. 3(2): 109. 1894Taxon for this nameNeomammillaria pringlei (J.M.Coult.) Britton & Rose