University of California, Riverside Plant Herbarium (UCR)
Gentiana affinis Griseb.
United States, Colorado, Jefferson, Ranson/Edwards Homestead Open Space Park. 15.4 km north-northeast of Golden, 1.3 mi north of CO Stat Hwy 72 on Plainview Road, 825 -860 m west of Plainview Road, nearing the railroad tracks at the top of the park
2026 meters (6645ft)
High plains above rocky flats.
Found, with increasing density from Plainview Road up to the UP RR tracks.