2 695653 Neomammillaria amoena (Hoppfer ex Salm-Dyck) Britton & Rose [80 638596 Mammillaria amoena Hoppfer ex Salm-Dyck] Cactaceae
N.L. Britton, J.N. Rose, Cact., vol. 4 : t. 12 (1923) [M.E. Eaton]