Gymnocalycium calochlorum (Boed.) Y.Itô, Cacti, ed. 2: 90. 1952
Gymnocalycium calochlorum, Cacti, ed. 2: 90. 1952
is new combination for Echinocactus calochlorus in Monatsschr. Deutsch. Kakteen-Ges. 4: 260. 1932
Gymnocalycium calochlorum, Cacti, ed. 2: 90. 1952