Coryphantha elephantidens subsp. bumamma (Ehrenb.) Dicht & A.Lüthy in Cactaceae Syst. Init. 11: 14. 2001
Coryphantha elephantidens subsp. bumamma in Cactaceae Syst. Init. 11: 14. 2001
is new combination for Mammillaria bumamma in Allg. Gartenzeitung 17: 243. 1849