United States of America, Colorado, Jefferson, Ralston Creek Drainage.
39.844189 -105.379914
13N 0467497E 4410533N
Certainty code: 3
2408 meters
7900 FT
In very dry, rocky gravelly soil on an exposed hillside in association with Artemisia ludoviciana, Heloimeris multiflora, Oreobatus deliciosus, and Ribes cereum.
Locally common, flowers with yellow disks and yellos rays.
For additional information about this specimen, please contact: Jennifer Ackerfield, Head Curator of Biodiversity Collections (jennifer.ackerfield@botanicgardens.org)