Neomammillaria johnstonii Britton & Rose, Cactaceae 4: 80–81, f. 72b. 1923
Neomammillaria johnstonii, Cactaceae 4: 80–81, f. 72b. 1923
is basionym for Mammillaria johnstonii in Cactography 7. 1926
Neomammillaria johnstonii, Cactaceae 4: 80–81, f. 72b. 1923
Taxon for this name