Gymnocalycium leptanthum (Speg.) Speg. in Anales Soc. Ci. Argent. 99: 138. 1925
Gymnocalycium leptanthum in Anales Soc. Ci. Argent. 99: 138. 1925
is new combination for Echinocactus leptanthus in Anales Mus. Nac. Buenos Aires, ser. 3, 4: 504. 1905
Gymnocalycium leptanthum in Anales Soc. Ci. Argent. 99: 138. 1925