1078386 639265 Mammillaria longimamma DC.
L.K.G. Pfeiffer, F. Otto, Abbild. Beschr. Cact., vol. 1 : t. 13 (1843)
2054956 639265 Mammillaria longimamma DC.
L.K.G. Pfeiffer, F. Otto, Abbild. Beschr. Cact. (Coloured version), vol. 1 : p. 13, t. 13 (1839)