Gymnos in habitat
| Category | Argentina |
| Name | Gymnocalycium fischeri |
| Notes | G. fischeri VoS 186, south-east from type location El Volcan. I found flowers that were up to 11 cm long. |
| Category | Argentina |
| Name | Gymnocalycium fischeri |
| Notes | G. fischeri VoS 186, south-east from type location El Volcan. I found flowers that were up to 11 cm long. |