United States of America, Colorado, Custer, Arkansas River Valley. Palmer Land Trust private ranch, ca. 3 miles S of Wetmore near highway 96. Along Colo. Hwy 389 (Greenwood Road) and along Hardscrabble Creek.
For additional information about this specimen, please contact: Jennifer Ackerfield, Head Curator of Biodiversity Collections (jennifer.ackerfield@botanicgardens.org)