Mammillaria haageana subsp. san-angelensis (Sánchez-Mej.) D.R.Hunt, Mammillaria Postscripts 6: 9. 1997
Mammillaria haageana subsp. san-angelensis, Mammillaria Postscripts 6: 9. 1997
is new combination for Mammillaria san-angelensis in Cact. Suc. Mex. 26: 8. 1981