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