Mammillaria rubrograndis Repp. & A.B.Lau in Kakteen And. Sukk. 30(4): 83. 1979 Mammillaria rubrograndis Repp. & A.B.Lau in Kakteen And. Sukk. 30(4): 83. 1979is basionym for Mammillaria melanocentra subsp. rubrograndis (Repp. & A.B.Lau) D.R.Hunt, Mammillaria Postscripts 6: 10. 1997Taxon for this nameMammillaria rubrograndis Repp. & A.B.Lau