Gymnocalycium chubutense (Speg.) Speg. in Anales Soc. Ci. Argent. 99: 137. 1925
Gymnocalycium chubutense in Anales Soc. Ci. Argent. 99: 137. 1925
is new combination for Echinocactus gibbosus var. chubutensis in Anales Mus. Nac. Buenos Aires 7: 285. 1902