U.S.A., Montana, Ravalli, Shore of Ingomar Lake, in glacial cirque in Bitterroot Range.
46.21828 -114.4027
46.21828° N, 114.4027° W
2100 meters
2100 m.
On Abies lasiocarpa bark, open subalpine forest.
Example of morphotype with compact rosettes of contiguous lobes. See McCune et al. 2011. Bryologist 114:526-544. Chemistry variable in this population (P-, P+ yellow, or P+ orange). TLC: atranorin and physodic acid with variable physodalic and protocetraric acids, depending on the individual. Substrate: corticolous.