Mammillaria goodridgei var. rectispina E.Y.Dawson in Cact. Succ. J. (Los Angeles) 24: 80. 1952
Mammillaria goodridgei var. rectispina in Cact. Succ. J. (Los Angeles) 24: 80. 1952
is new combination for Mammillaria goodrichii var. rectispina in Cact. Succ. J. (Los Angeles) 24: 80. 1952