Gymnocalycium castellanosii Backeb., Kaktus-ABC: 287, 416. 1936 ["1935"] Gymnocalycium castellanosii Backeb., Kaktus-ABC: 287, 416. 1936 ["1935"]Taxon for this nameGymnocalycium castellanosii Backeb., Kaktus-ABC: 287, 416. 1936 ["1935"]
