| argentina | | gymnocalycium andreae subsp. carolinense | subspecies | 3 | 0 |
| argentina | | gymnocalycium bodenbenderianum | species | 2 | 0 |
| argentina | | gymnocalycium capillense | species | 1 | 0 |
| argentina | | gymnocalycium castellanosii | species | 2 | 0 |
| argentina | | gymnocalycium castellanosii subsp. castellanosii | subspecies | 1 | 0 |
| argentina | | gymnocalycium glaucum subsp. glaucum | subspecies | 1 | 0 |
| argentina | | gymnocalycium hossei | species | 2 | 0 |
| argentina | | gymnocalycium kieslingii | species | 2 | 0 |
| argentina | | gymnocalycium monvillei | species | 1 | 0 |
| argentina | | gymnocalycium rhodantherum | species | 1 | 0 |
| argentina | | gymnocalycium ritterianum | species | 2 | 0 |
| argentina | | gymnocalycium saglionis | species | 1 | 0 |
| argentina | | gymnocalycium schickendantzii subsp. schickendantzii | subspecies | 1 | 0 |
| argentina | | gymnocalycium uebelmannianum | species | 1 | 0 |
| argentina | buenos aires city | gymnocalycium reductum subsp. reductum | subspecies | 1 | 0 |
| argentina | catamarca province | gymnocalycium baldianum var. baldianum | varietas | 2 | 0 |
| argentina | catamarca province | gymnocalycium bodenbenderianum | species | 1 | 0 |
| argentina | catamarca province | gymnocalycium carminanthum | species | 3 | 0 |
| argentina | catamarca province | gymnocalycium hossei | species | 1 | 0 |
| argentina | catamarca province | gymnocalycium kieslingii | species | 1 | 0 |
| argentina | catamarca province | gymnocalycium oenanthemum | species | 3 | 0 |
| argentina | catamarca province | gymnocalycium pugionacanthum | species | 1 | 0 |
| argentina | cordoba province | gymnocalycium amerhauseri | species | 1 | 0 |
| argentina | cordoba province | gymnocalycium andreae | species | 1 | 0 |
| argentina | cordoba province | gymnocalycium bruchii | species | 4 | 0 |
| argentina | cordoba province | gymnocalycium calochlorum | species | 2 | 0 |
| argentina | cordoba province | gymnocalycium castellanosii subsp. ferocior | subspecies | 2 | 0 |
| argentina | cordoba province | gymnocalycium erinaceum | species | 2 | 0 |
| argentina | cordoba province | gymnocalycium leptanthum | species | 3 | 0 |
| argentina | cordoba province | gymnocalycium monvillei subsp. horridispinum | subspecies | 1 | 0 |
| argentina | cordoba province | gymnocalycium mostii | species | 3 | 0 |
| argentina | cordoba province | gymnocalycium mostii subsp. mostii | subspecies | 2 | 0 |
| argentina | cordoba province | gymnocalycium mostii subsp. valnicekianum | subspecies | 2 | 0 |
| argentina | cordoba province | gymnocalycium quehlianum | species | 2 | 0 |
| argentina | corrientes province | gymnocalycium mesopotamicum | species | 1 | 0 |
| argentina | jujuy province | gymnocalycium saglionis | species | 1 | 0 |
| argentina | rio negro province | gymnocalycium gibbosum subsp. gibbosum | subspecies | 1 | 0 |
| argentina | salta province | gymnocalycium bayrianum | species | 1 | 0 |
| argentina | salta province | gymnocalycium marsoneri subsp. marsoneri | subspecies | 1 | 0 |
| argentina | salta province | gymnocalycium pflanzii subsp. argentinense | subspecies | 4 | 0 |
| argentina | salta province | gymnocalycium schickendantzii | species | 2 | 0 |
| argentina | san luis province | gymnocalycium aff. sutterianum ha 1799-6 | species | 1 | 0 |
| argentina | san luis province | gymnocalycium andreae subsp. carolinense | subspecies | 3 | 0 |
| argentina | san luis province | gymnocalycium fischeri | species | 1 | 0 |
| argentina | san luis province | gymnocalycium striglianum | species | 1 | 0 |
| bolivia | santa cruz department | gymnocalycium anisitsii subsp. anisitsii | subspecies | 3 | 0 |
| bolivia | santa cruz department | gymnocalycium chacoense | species | 1 | 0 |
| bolivia | tarija department | gymnocalycium marsoneri subsp. megatae | subspecies | 1 | 0 |
| brazil | | gymnocalycium denudatum | species | 1 | 0 |
| brazil | rio grande do sul | gymnocalycium denudatum | species | 1 | 0 |
| paraguay | | gymnocalycium paraguayense | species | 1 | 0 |
| paraguay | boqueron department | gymnocalycium mihanovichii | species | 1 | 0 |
| paraguay | boqueron department | gymnocalycium pflanzii subsp. pflanzii | subspecies | 4 | 0 |
| paraguay | cordillera department | gymnocalycium paraguayense | species | 6 | 0 |
| uruguay | | gymnocalycium hyptiacanthum | species | 1 | 0 |
| uruguay | | gymnocalycium hyptiacanthum subsp. uruguayense | subspecies | 1 | 0 |
| uruguay | tacuarembo department | gymnocalycium rauschii | species | 17 | 0 |