University of California, Riverside Plant Herbarium (UCR)
Erigeron flagellaris A. Gray
United States, Colorado, Jefferson, Ranson/Edwards Homestead Open Space Park. High plains above Rocky Flats, 15.2 km NNE of Golden, 1.3 miles north of CO State Hwy 72 on Plainview Road, 65 m east of Plainview Road
1933 meters (6340ft)
Not common in Jefferson County, but with several other nearby collections, e.g., from Rocky Flats and around the mouth of Coal Creek Canyon. Rays white, fading to lilac, disk fls. yellow.