Gymnocalycium mazanense var. rhodantherum (Boed.) Backeb., Kaktus-ABC: 291. 1936 ["1935"]
Gymnocalycium mazanense var. rhodantherum, Kaktus-ABC: 291. 1936 ["1935"]
is new combination for Echinocactus rhodantherus in Kakteenkunde 1934: 13. 1934