Private Herbarium of Jason Hollinger (hb. Hollinger)
Lecidea auriculata Th. Fr.
Lecideaceae
Jason Hollinger (2017-08-20)
ID certainty: uncertain
Jason Hollinger
17537
2017-08-20
United States, Idaho, Elmore County, Sawtooth Mountains, Low Pass
43.9497 -115.0491 +-5m.
2791 meters (9154ft)
bare gravelly granite pass
granite pebble
thallus endolithic; apothecia weakly but uniformly pruinose; rims very thin; epihymenium purple-brown, purpler in K; hymenium ~50-60um; hypothecium pale brownish, POL+ strong and coarse, K- and C-; exciple dark brown outside but poorly delimted from pale brownish inside, K+ very faintly pinkish and building up a store of bubbles which obscure view but which do not stream away, C- in section, I- or very weak bluish, POL~ weak; spores 8 per ascus, oblong-ellipsoid, ~10x3-3.5um