| Classification | Onagraceae: Oenothera |
| Harvard University Herbaria Barcode(s) | 00816024 |
| Collector | C. H. Knowlton |
| Country | United States of America |
| State | Massachusetts |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Massachusetts |
| Locality | Greenfield Town |
| Date Collected | 1911-07-25 [July 25, 1911] |
| Project | New England Vascular Plants TCN |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/413d52dc-186b-11e6-b5e0-001ec9fd629b |
| Harvard University Herbaria Barcode | 00816024 |
| Herbarium | NEBC |
| Family | Onagraceae |
| Determination | Oenothera biennis Linnaeus |
| Determination Remarks | [is filed under name] [is Current name] |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
