| Classification | Onagraceae: Oenothera | 
| Barcode(s) | 00073345 | 
| Type Status | Isotype | 
| Collector | K. K. Mackenzie | 
| Collector number | 373 | 
| Country | United States of America | 
| State | West Virginia | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: West Virginia: Greenbrier County: White Sulphur Springs | 
| Locality | Common on clay banks | 
| Date Collected | 1903-08-27 | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/5edba325-1197-4b62-8eca-4b0f182aead6 | 
| Harvard University Herbaria Barcode | 00073345 | 
| Herbarium | GH | 
| Family | Onagraceae | 
| Type Status |  Isotype | 
| Isotype of |  Oenothera argillicola Mackenzie | 
| Determination Remarks |  [filed under] | 
| Taxon Reference | (for  Oenothera argillicola Mackenzie) Torreya 1904. 4: 56. | 
| Sex | not determined | 
| Phenology | FlowerAndFruit | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |