Oenothera flava (A. Nelson) Garrett
Onagraceae
| Collection Number | C. Davidson 13775A |
| Collectors | C. Davidson, S. R. Christoph |
| Identified By | C. Davidson |
| Source | C. Davidson |
| Date | 05 June 2018 |
| Country | USA |
| state | Oregon |
| county | Wallowa |
| Location | The Nature Conservancy's Zumwalt Prairie Preserve. Road from Summer Camp to Trail Creek Rd. just past jct. with Old Imnaha Rd. "Mirador". Elev. 1471 m. |
| Lat/Long | N 45 32 11.2 W 116 57 3.5 |