| classification of the genus according to H. Till \ Subsectio B3 Pileisperma |
hat shaped seeds, smooth, Testa-cells with papillae, with Elaiosom
Typus: Gymnocalycium stellatum Speg.
| Species / variety | place of finding |
| G. bodenbenderianum | Argentina, Prov. La Rioja |
| G. ochoterenae | Argentina, Prov. San Luis |
| G. ragonesei | Argentina, Prov. Catamarca, Salinas Grandes |
| G. riojense | Argentina, Prov. La Rioja, near Bazan |
| G. stellatum | Argentina, Prov. Cordoba, Catamarca |
 |
| Gymnocalycium piltziorum |
| [to the top] |