
Gymnocalycium anisitsii (damsii variety rotundulum) 
Gymnocalycium chiquitanum 
Gymnocalycium denudatum 
Gymnocalycium gibbosum 
Gymnocalycium lumbrerasense 
Gymnocalycium mesopotamicum 
Gymnocalycium mihanovichii 
Gymnocalycium ragonesei 
Gymnocalycium schickendantzii 
Gymnocalycium schmidianum
variety asperum
(=hybopleurum)
Gymnocalycium schroederianum 
Gymnocalycium species
Sierra Medina
Gymnocalycium striglianum 
Gymnocalycium (ochoterenae subspecies) vatteri