USA, Colorado, Jefferson, Golden, Ranson/Edwards Homestead Open Space Park. High plains above Rocky Flats, 19.4 km. north northwest of the GNIS location of Golden, 1.6 mi. west on CO Hwy 72 from CO Hwy 93, 0.9 mi. north on Plainview Road, then 130 m. west into open prairie.
For additional information about this specimen, please contact: Jennifer Ackerfield, Head Curator of Biodiversity Collections (jennifer.ackerfield@botanicgardens.org)