California Polytechnic State University, Robert F. Hoover Herbarium (OBI)
Gutierrezia sarothrae (Pursh) Britt. & Rusby
United States, Colorado, Jefferson, 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 105 m. west of Plainview Road.
39.89476542 -105.2696068 WGS 1984.
Steep south-facing slope, with a prairie rose, blue grama, and artemisia.