U.S.A., Idaho, Owyhee, Large rhyolite boulders on N-facing talus slope, next to Jarbidge Falls, along Jarbidge R, approx 25 miles below Murphy Hot Springs, 75 miles SW of Boise, ID.
42.294201 -115.614319
42.2942009° N, -115.6143188° W
1289 meters
1289 m.
Mixed juniper/artemisia grasslands.
Black filaments. Det: M. Schultz, 12/2009. Known from moist open habitats. New for Idaho. Some specimens also have Psorula rufonigra, and/or Leptogium lichenoides. Roger's collection has 16699b L. lichenoides and 16699c Toninia sedifolia. Substrate: Terricolous.