Mammillaria armillata subsp. cerralboa (Britton & Rose) D.R.Hunt, Mammillaria Postscripts 6: 5. 1997
Mammillaria armillata subsp. cerralboa, Mammillaria Postscripts 6: 5. 1997
is new combination for Neomammillaria cerralboa, Cactaceae 4: 116, f. 121a. 1923