Mammillaria sonorensis R.T.Craig in Cact. Succ. J. (Los Angeles) 12: 155. 1940 Mammillaria sonorensis R.T.Craig in Cact. Succ. J. (Los Angeles) 12: 155. 1940Taxon for this nameMammillaria sonorensis R.T.Craig in Cact. Succ. J. (Los Angeles) 12: 155. 1940
