| Classification | Onagraceae: Oenothera | 
| Barcode(s) | 00071761 | 
| Type Status | Isotype | 
| Collector | P. A. Munz | 
| Collector number | 15472 | 
| Country | Argentina | 
| State | Tucumán | 
| Geography | South America: South America (Region) (Region): Argentina: Tucumán | 
| Locality | Siambon, above Tucumán | 
| Date Collected | 1939-02-11 | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/805a4ab4-d49c-4c0c-ae52-777cc1f5d628 | 
| Harvard University Herbaria Barcode | 00071761 | 
| Herbarium | GH | 
| Family | Onagraceae | 
| Type Status |  Isotype | 
| Isotype of |  Oenothera siambonensis W. Dietrich | 
| Determination Remarks |  [filed under] | 
| Taxon Reference | (for  Oenothera siambonensis W. Dietrich) Ann. Missouri Bot. Gard. 1978. 64: 602. | 
| Sex | not determined | 
| Phenology | Flower | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |