United States of America, Colorado, Jefferson, Growing on the bank and close to Apex Creek, within the first 1/4 mile of the east end of the canyon of the Creek; and within 1/2 mile of the archeological project of Peabody Museum, and west by southwest of it.
For additional information about this specimen, please contact: Jennifer Ackerfield, Head Curator of Biodiversity Collections (jennifer.ackerfield@botanicgardens.org)