USA, Colorado, Jefferson, Golden, Ranson/Edwards Homestead Open Space Park. Stevens parcel immediately south of the Ranson/Edwards parcel, 400 m west northwest of the Plainview Road bridge over Coal Creek, 14.5 km north northwest of the GNIS location of Golden.
For additional information about this specimen, please contact: Jennifer Ackerfield, Head Curator of Biodiversity Collections (jennifer.ackerfield@botanicgardens.org)