Gymnocactus beguinii var. smithii (Muehlenpf.) Backeb., Cactaceae 5: 2855. 1961
Gymnocactus beguinii var. smithii, Cactaceae 5: 2855. 1961
is new combination for Echinocactus smithii in Allg. Gartenzeitung 14: 370. 1846
Gymnocactus beguinii var. smithii, Cactaceae 5: 2855. 1961
Taxon for this name