Mammillaria pennispinosa subsp. nazasensis (Glass & R.A. Foster) D.R. Hunt, Mammillaria Postscripts 6: 6. 1997 sec. Hunt 2016
- ≡Mammillaria pennispinosa var. nazasensis Glass & R.A. Foster in Cact. Succ. J. (Los Angeles) 47: 96. 1975 syn. sec. Guzmán & al. 2003
- =Mammillaria nazasensis (Glass & R.A. Foster) Repp., Gatt. Mammillaria: 36. 1987 syn. sec. Guzmán & al. 2003
- =Escobariopsis pennispinosa subsp. nazasensis (Glass & R.A. Foster) Doweld in Sukkulenty 3: 41. 2000 syn. sec. Guzmán & al. 2003