Mammillaria bella Backeb. in Repert. Spec. Nov. Regni Veg. 51: 63. 1942
Mammillaria bella in Repert. Spec. Nov. Regni Veg. 51: 63. 1942
is basionym for Mammillaria nunezii subsp. bella, Mammillaria Postscripts 6: 8. 1997
is basionym for Neomammillaria bella, Cactaceae: 586. 1981