Mammillaria albicans subsp. fraileana (Britton & Rose) D.R.Hunt, Mammillaria Postscripts 6: 5. 1997
Mammillaria albicans subsp. fraileana, Mammillaria Postscripts 6: 5. 1997
is new combination for Neomammillaria fraileana, Cactaceae 4: 157–158. 1923