U.S.A., California, Mariposa, Vernal Falls, Yosemite Valley
37.727 -119.543
1544 meters (5064ft)
On boulders
Lichenes Boreali-Americani, second edition of Decades of North American Lichens, prepared by Clara E. Cummings, Thos. A. Williams and A. B. Seymore|188