Coryphantha bumamma (Ehrenb.) Britton & Rose, Cactaceae 4: 33. 1923 Coryphantha bumamma (Ehrenb.) Britton & Rose, Cactaceae 4: 33. 1923is new combination for Mammillaria bumamma Ehrenb. in Allg. Gartenzeitung 17: 243. 1849Taxon for this nameCoryphantha bumamma (Ehrenb.) Britton & Rose, Cactaceae 4: 33. 1923