Private Herbarium of Jason Hollinger (hb. Hollinger)
Buellia aethalea group
Jason Hollinger (2019-03-25)
dead
ID certainty: positive
Jason Hollinger
14968
2016-09-12
United States, California, Inyo County, Mount Whitney, summit
36.5785 -118.293 +-25m.
4400 meters (14432ft)
bare granite alpine peak
sheltered granite
Pleopsidium chlorophanum
thallus areolate; areoles subglobose, ~scattered to contiguous; apothecia immersed, black, becoming convex, dull, small, never marginate; thallus K- C- (in section) KC- UV- KUV- quench P- I- to I+v in places, norstictic crystals produced in hypothecium of some sections; epihymenium indistinct to bluish brown; hymenium ~50um, clear; hypothecium pale to dark brown; exciple very thin and indistinct; spores 8 per ascus, 1-septate, thin-walled, constricted, smooth, no bands or torus, ~12-15x7-9um