Gymnocalycium parvulum (Speg.) Speg. in Anales Soc. Ci. Argent. 99: 141. 1925
Gymnocalycium parvulum in Anales Soc. Ci. Argent. 99: 141. 1925
is new combination for Echinocactus platensis var. parvulus in Anales Mus. Nac. Buenos Aires, ser. 3, 4: 505. 1905
Gymnocalycium parvulum in Anales Soc. Ci. Argent. 99: 141. 1925