Neomammillaria heyderi (Muehlenpf.) Britton & Rose, Cactaceae 4: 75, t. 8, f. 2. 1923
Neomammillaria heyderi, Cactaceae 4: 75, t. 8, f. 2. 1923
is new combination for Mammillaria heyderi in Allg. Gartenzeitung 16(3): 20. 1848
Neomammillaria heyderi, Cactaceae 4: 75, t. 8, f. 2. 1923
Taxon for this name