Mammillaria huitzilopochtli var. niduliformis A.B.Lau in J. Mammillaria Soc. 34(4): 46. 1994
Mammillaria huitzilopochtli var. niduliformis in J. Mammillaria Soc. 34(4): 46. 1994
is basionym for Mammillaria huitzilopochtli subsp. niduliformis, Mammillaria (Cactus File Handbook) 6: 143. 1999