Echinocactus platensis Speg., Contr. Fl. Sierra Vent.: 28. 1896
Echinocactus platensis, Contr. Fl. Sierra Vent.: 28. 1896
is basionym for Gymnocalycium reductum var. platense in Darwiniana 45: 237. 2007
is basionym for Gymnocalycium platense, Cactaceae 3: 163. 1922
is basionym for Echinocactus gibbosus var. platensis in Anales Mus. Nac. Buenos Aires, ser. 3, 2: 8. 1903
is basionym for Echinocactus gibbosus var. platensis in Repert. Pl. Succ. 42: 5. 1992