Oenothera drummondii Hook.
Onagraceae
| Collection Number | Davidson, C 11925 |
| Collectors | C. Davidson, C. Efraimson |
| Identified By | C. Davidson |
| Source | C. Davidson |
| Date | 04 November 2011 |
| Country | USA |
| state | Texas |
| county | Matagorda |
| Location | End of Highway 457 at the coast. Along the edge of the estuary. 2 m elev. |
| Lat/Long | N 28 45 55 W 95 37 34 |
| Note | Coastal dunes, on the sea-side of a small estuary. |