Echinocactus rhodantherus Boed. in Kakteenkunde 1934: 13. 1934
Echinocactus rhodantherus in Kakteenkunde 1934: 13. 1934
is basionym for Gymnocalycium rhodantherum in Gymnocalycium 17: 580. 2004
is basionym for Gymnocalycium mazanense var. rhodantherum, Kaktus-ABC: 291. 1936 ["1935"]