USA, Colorado, Jefferson, Ranson/Edwards Homestead Open Space Park. On the upper bank, south side of a small creek, 75 meters east of Plainview Road, and 1.2 miles north on Plainview Road from Colorado State Highway 72.
For additional information about this specimen, please contact: Jennifer Ackerfield, Head Curator of Biodiversity Collections (jennifer.ackerfield@botanicgardens.org)