U.S.A., North Carolina, Swain, Upper slopes of Clingmans Dome just above Noland Divide Trail
1799 meters
5900 ft.
On fallen fir Spruce-fir
atranorin fumarprotocetraric acid Determined by R. C. Harris Eastman Thin Layer Chromagram Sheet 13181, n. 275-23 Benzene-dioxane-glacial acetic acid (90:25:4) Herbarium of the University of Michigan Substrate: Corticolous.