USA, Colorado, Jefferson, Golden, Ranson/Edwards Homestead Open Space Park, High plains above Rocky Flats, 16.25 km north northwest of Golden, 1.8 miles north of CO State Highway 72 on Plainview Road, then 125 m. west of Plainview Road.
For additional information about this specimen, please contact: Jennifer Ackerfield, Head Curator of Biodiversity Collections (jennifer.ackerfield@botanicgardens.org)