Ferocactus stainesii var. haematacanthus (Salm-Dyck) Backeb., Cactaceae 5: 2700. 1961
Ferocactus stainesii var. haematacanthus, Cactaceae 5: 2700. 1961
is new combination for Echinocactus electracanthus var. haematacanthus, Cact. Hort. Dyck., ed. 1849: 150. 1850