Children (6 direct children, 6 direct and indirect children):
Gymnocalycium quehlianum var. calochlorum
Gymnocalycium quehlianum subsp. leptanthum
Gymnocalycium quehlianum var. terweemeanum
Gymnocalycium quehlianum var. rolfianum
Gymnocalycium quehlianum var. stellatum
Gymnocalycium quehlianum var. zantnerianum