USA, Colorado, Jefferson, Golden, Ranson/Edwards Homestead Open Space Park. High plains above Rocky Flats, 1.7 miles west on Colorado Highway 72 from Colorado Highway 93, 1.1 mile north on Plainview Road, then 550 m. east northeast to Coal Creek.
For additional information about this specimen, please contact: Jennifer Ackerfield, Head Curator of Biodiversity Collections (jennifer.ackerfield@botanicgardens.org)