California Polytechnic State University, Robert F. Hoover Herbarium (OBI)
Oenothera villosa Thunb.
United States, Colorado, Jefferson, Ranson/Edwards Homestead Open Space Park Northern part of open space, 1.6 mi. west on CO Highway 72 from CO Highway 93, north 1.9 mi. on Plainview Road, then 700 m. downhill to northeast to a small reservoir; 16.3 km. north northwest of the GNIS location of Golden.
39.89886635 -105.2609427 WGS 1984
High plains above Rocky Flats, single plant growing in delatic gravels of small ephemeral stream entering pond.