United States of America, Colorado, Saguache, Baca National Wildlife Refuge, San Luis Valley. Ca 4 air miles WSW of Crestone; ca 0.25 mi S of County Rd T, just E of two-track to Cattle HQ. On N. Crestone Ditch.
For additional information about this specimen, please contact: Jennifer Ackerfield, Head Curator of Biodiversity Collections (jennifer.ackerfield@botanicgardens.org)