Gymnos in habitat
| Category | Argentina |
| Name | Gymnocalycium kroenleinii |
| Notes | The plants grow on rocky soil (granite). The spination is especially pronounced in this specimen due to its exposed location. |
| Category | Argentina |
| Name | Gymnocalycium kroenleinii |
| Notes | The plants grow on rocky soil (granite). The spination is especially pronounced in this specimen due to its exposed location. |