USA, Colorado, Jefferson, Ranson/Edwards Homestead Open Space Park. High plains above Rocky Flats, 1.7 mi. west on Colorado Highway 72 from Colorado Highway 93, 1.6 mi. north on Plainview Road, then 100 meters southwest on the slope above the road.
39.8923 -105.2668 WGS 1984
1979 meters
1979 m
Few plants in a small area.
Glabrous throughout, leaves and phyllaries with a white spinulose tip, ray flowers white
Collected by permit: Jefferson County Open Space, 2017, issued: March 1, 2017, to: Tom Schweich