Photo by Chris Coshland, Riverside Herbarium Lichen and Bryophyte Curator - Det. et Leg. Jana Kocourková. Number: 909669 Date: 2007-07-23 Additional Collectors: Kerry Knudsen Locality: United States, California, Riverside, San Jacinto Mountains, near Sugarloaf Mountain 33.58389 -116.43694 Habitat: On crumbling granite boulder. On Xanthoparmelia mexicana. Substrate: Pinyon pines, Yucca sp. - CC BY-NC