Gymnocalycium vorwerkii (Frič) Hutchison in Natl. Cact. Succ. J. 14: 38. 1959
Gymnocalycium vorwerkii in Natl. Cact. Succ. J. 14: 38. 1959
is new combination for Neowerdermannia vorwerkii in Kaktusář 11: 85. 1930
Gymnocalycium vorwerkii in Natl. Cact. Succ. J. 14: 38. 1959