United States of America, Colorado, Summit, Dillon, Dillon Res, Roberts Tunnel Pennisula along hwy 6 across from Dillon cemetery, between Dillon Bay and Snake R. arm.
39.612855 -106.034009
13N 0411240E 4385300N
Certainty code: 1
2774 meters
9100 FT
limey, shaley substrate of Cretaceous Niobrara and Benton formations. In shade of willows along shallow drainage N of high point 9282; closest associates include Chrysothamnus nauseosus, Juncus drummondii, Wyethisa amplexicaulis, Chamerion danielsii, Acon
large patch of rhizomatous male and female plants.
For additional information about this specimen, please contact: Jennifer Ackerfield, Head Curator of Biodiversity Collections (jennifer.ackerfield@botanicgardens.org)