| Classification | Gymnocalycium |
| Harvard University Herbaria Barcode(s) | 01875249 |
| Collector | T. M. Pedersen |
| Collector number | 6274 |
| Country | Argentina |
| State | Entre Rios |
| Geography | South America: South America (Region) (Region): Argentina: Entre Rios |
| Locality | Estancia "Buena Esperanza" Dep. Federación |
| Date Collected | 1961-10-25 |
| Habitat | grasslands & open woodland, often on low ground |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/3091e487-9f27-4074-a0f6-39f25aa2ba3d |
| Harvard University Herbaria Barcode | 01875249 |
| Herbarium | A |
| Determination | Gymnocalycium schroederianum Osten |
| Determination Remarks | [filed under] [current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
