| Classification | Onagraceae: Oenothera |
| Classification 1 | Onagraceae: Calylophus |
| Harvard University Herbaria Barcode(s) | 00054221 |
| Type Status | Isotype |
| Collector | T. Nuttall |
| Country | United States of America |
| State | Arkansas |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Arkansas |
| Locality | Red River |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/58877e90-2a2c-447c-8323-cc3c22fa6302 |
| Harvard University Herbaria Barcode | 00054221 |
| Herbarium | GH |
| Family | Onagraceae |
| Type Status | Isotype |
| Isotype of | Oenothera serrulata var. spinulosa Torrey & A. Gray |
| Taxon Reference | (for Oenothera serrulata var. spinulosa Torrey & A. Gray) Fl. N. Amer. [Torr. & A. Gray] 1840 [Jun 1840]. 1(3): 502. |
| Family | Onagraceae |
| Determination | Calylophus berlandieri Spach |
| Determined by | H. F. Towner |
| Determination Remarks | [current name] |
| Annotation Text | 1969-70 |
| Sex | not determined |
| Phenology | Flower |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
