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