| Classification | Onagraceae: Oenothera | 
| Harvard University Herbaria Barcode(s) | 00073329 | 
| Type Status | Isotype | 
| Collector | T. Drummond | 
| Collector number | 74 | 
| Country | United States of America | 
| State | Texas | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Texas | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/7fd6e896-7182-4e4e-8a8e-9463aa3bb6ce | 
| Harvard University Herbaria Barcode | 00073329 | 
| Herbarium | GH | 
| Previous ownership | Hooker misit xbr. 1835; 1870. From Herb. J. Gay, purchased by Dr. Hooker | 
| Family | Onagraceae | 
| Type Status | Isotype | 
| Isotype of | Oenothera heterophylla Spach | 
| Verified by | Pennell, Francis Whittier | 
| Date Determined | 1930 | 
| Annotation Text | Type material?; [Annotated on sheet] | 
| Taxon Reference | (for  Oenothera heterophylla Spach) Nouv. Ann. Mus. Hist. Nat. 1835. 4: 348. | 
| Family | Onagraceae | 
| Determination | Oenothera heterophylla subsp. heterophylla | 
| Determined by | W. Dietrich (MO) | 
| Date Determined | 1978 | 
| Determination Remarks | [current name] | 
| Family | Onagraceae | 
| Determination | Oenothera sp. | 
| Determination Remarks | [label name] | 
| Sex | not determined | 
| Phenology | FlowerAndFruit | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |