| Classification | Onagraceae: Oenothera | 
| Harvard University Herbaria Barcode(s) | 00073051 | 
| Type Status | Isolectotype | 
| Collector | S. B. Buckley | 
| Country | United States of America | 
| State | Texas | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Texas | 
| Locality | [Near Leon River] | 
| Date Collected | 1861-06-** | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/e144d5cb-8995-41a6-8819-8767444a0ee8 | 
| Harvard University Herbaria Barcode | 00073051 | 
| Herbarium | GH | 
| Family | Onagraceae | 
| Type Status | Isolectotype | 
| Isolectotype of | Oenothera leona Buckley | 
| Determination Remarks | [is a fragment] | 
| Annotation Text | Isotype | 
| Taxon Reference | (for  Oenothera leona Buckley) Proc. Acad. Nat. Sci. Philadelphia 1861. 1861 [1862]: 455. | 
| Family | Onagraceae | 
| Determination | Oenothera rhombipetala Nuttall | 
| Determined by | W. Dietrich (MO) | 
| Date Determined | 1978 | 
| Determination Remarks | [current name] | 
| Family | Onagraceae | 
| Determination | Oenothera heterophylla Spach | 
| Determined by | Munz, Philip Alexander | 
| Date Determined | 1930 | 
| Annotation Text | [Annotated on sheet] | 
| Family | Onagraceae | 
| Determination | Oenothera rhombipetala Nuttall | 
| Determination Remarks | [label name] | 
| Sex | not determined | 
| Phenology | Flower | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |