Mammillaria garessii Cowper in Cact. Succ. J. (Los Angeles) 42: 14, 93. 1970 Mammillaria garessii Cowper in Cact. Succ. J. (Los Angeles) 42: 14, 93. 1970is basionym for Mammillaria barbata var. garessii (Cowper) Lodé, Repert. Pl. Succ. 43: 15. 1992Taxon for this nameMammillaria garessii Cowper