Echinocactus uruguayensis Arechav. in Anales Mus. Nac. Montevideo 5: 218. 1905
Echinocactus uruguayensis in Anales Mus. Nac. Montevideo 5: 218. 1905
is basionym for Gymnocalycium uruguayense, Cactaceae 3: 162. 1922
is basionym for Gymnocalycium hyptiacanthum subsp. uruguayense in Cactaceae Syst. Init. 24: 24. 2008