Escobariopsis pennispinosa subsp. nazasensis (Glass & R.A.Foster) Doweld in Sukkulenty 3: 41. 2000
Escobariopsis pennispinosa subsp. nazasensis in Sukkulenty 3: 41. 2000
is new combination for Mammillaria pennispinosa var. nazasensis in Cact. Succ. J. (Los Angeles) 47(2): 96. 1975