Private Herbarium of Jason Hollinger (hb. Hollinger)
Lecanora cenisia cfr.
Jason Hollinger (2018-10-01)
ID certainty: positive
Jason Hollinger
17483
2017-05-15
United States, Utah, San Juan County, Salt Creek, narrow part of mesa ca. 2 km WSW of Salt Creek Trailhead beside Beef Basin Rd.
37.9399 -109.726 +-5m.
2204 meters (7229ft)
steep N slope just below rim of sandstone mesa with pinyon-juniper woodland
sandstone
Phaeophyscia nigricans, Rusavskia elegans
thallus K+y; apothecia constricted, flexuose; rim whiter than thallus, thick, flexuose, smooth; disk lightly pruinose; epihymenium dark brown to faintly olive, POL-, turning paler and slightly more olive in K; hymenium ~60um; cortex strongly granular, POL+, not clearing in K, ~25um above to ~50um or more below; medulla strongly POL+ milky clearing almost entirely in K; spores ~13-14x7-8um