Cactus bocasanus (Poselg.) J.M.Coult. in Contr. U.S. Natl. Herb. 3: 104. 1894 Cactus bocasanus (Poselg.) J.M.Coult. in Contr. U.S. Natl. Herb. 3: 104. 1894is new combination for Mammillaria bocasana Poselg. in Allg. Gartenzeitung 21(12): 94. 1853Taxon for this nameCactus bocasanus (Poselg.) J.M.Coult.