Mammillaria bicolor var. nobilis (Pfeiff.) C.F.Först., Handb. Cacteenk.: 198. 1846
Mammillaria bicolor var. nobilis, Handb. Cacteenk.: 198. 1846
is new combination for Mammillaria nobilis in Allg. Gartenzeitung 8: 282. 1840
Mammillaria bicolor var. nobilis, Handb. Cacteenk.: 198. 1846
Taxon for this name