Echinocactus mitis Phil. in Anales Univ. Chile 85: 493. 1894
Echinocactus mitis in Anales Univ. Chile 85: 493. 1894
is basionym for Hildmannia mitis in Repert. Spec. Nov. Regni Veg. 50: 207. 1941
is basionym for Neoporteria napina var. mitis in Cact. Succ. J. Gr. Brit. 28: 57. 1966
is basionym for Neochilenia napina var. mitis in Repert. Spec. Nov. Regni Veg. 51: 50. 1942
is basionym for Neochilenia mitis, Cactaceae 3: 1818. 1959