University of California, Riverside Plant Herbarium (UCR)
Arnica fulgens Pursh
United States, Colorado, Jefferson, Ranson/Edwards Homestead Open Space Park. High plains above Rocky Flats, 15.2 km north-northeast of Golden, 1.3 miles north of CO State Hwy 72 on Plainview Road, 110 m east of Plainview Road
1943 meters (6373ft)
Very wet, running water among grasses and sedges.
Perennial herb of wetlands, to 35 cm. Corollas yellow.