Mammillaria divaricata J.Forbes, J. Hort. Tour Germany: 149. 1837
Mammillaria divaricata, J. Hort. Tour Germany: 149. 1837
non Mammillaria divaricata in Allg. Gartenzeitung 16: 210. 1848
Mammillaria divaricata nom. prov., J. Hort. Tour Germany: 149. 1837