| Classification | Onagraceae: Oenothera |
| Harvard University Herbaria Barcode(s) | 00054223 |
| Type Status | Syntype |
| Collector | Edw. Palmer |
| Collector number | 132 |
| Country | United States of America |
| State | Oklahoma |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Oklahoma |
| Locality | In the Indian Territory, chiefly on the False Washita, between Fort Cobb and Fort Arbuckle |
| Date Collected | 1868 |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/71f03b7c-f25a-4ed5-a8b6-a8500b3e35fc |
| Harvard University Herbaria Barcode | 00054223 |
| Herbarium | GH |
| Family | Onagraceae |
| Type Status | Syntype |
| Syntype of | Oenothera sinuata var. grandiflora S. Watson |
| Taxon Reference | (for Oenothera sinuata var. grandiflora S. Watson) Proc. Amer. Acad. Arts 1873. 8: 581, 614. |
| Family | Onagraceae |
| Determination | Oenothera grandis (Britton) Smyth |
| Determined by | Dietrich, Werner |
| Date Determined | 1978 |
| Determination Remarks | [current name] |
| Family | Onagraceae |
| Determination | Oenothera laciniata var. grandiflora (S. Watson) B. L. Robinson |
| Determined by | P. Munz [(scripsit) J. McI. Shapiro, 2020] |
| Date Determined | 1930 |
| Annotation Text | [Annotated on sheet] |
| Family | Onagraceae |
| Determination | Oenothera sp. |
| Determination Remarks | [label name] |
| Sex | not determined |
| Phenology | Flower |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
