Gymnocalycium monvillei
Gymnocalycium monvillei
Gymnocalycium monvillei
Gymnocalycium intermedium
Gymnocalycium intermedium
Gymnocalycium intermedium
Gymnocalycium intermedium
Gymnocalycium intermedium
Gymnocalycium intermedium
Gymnocalycium intermedium
Gymnocalycium monvillei
Gymnocalycium monvillei