U.S.A., Montana, Sanders, Above the Clark Fork River, west-facing slope in steep-walled valley. Near Lolo National Boundary, east side of the river. Near St. Regis, MT.
47.341999 -114.778 WGS84
47.3419991° N, -114.7779999° W
854 meters
2800 ft.
Outcrops and talus of siliceous metal-rich argillite. On decorticate wood.
On down decorticate wood. Syns=Bacidia rubricosa, B. herrei, Haematomma californicum. Substrate: Lignicolous.