United States, Nevada, Washoe County, Mount Rose, summit
39.3436 -119.917 +-5m.
3266 meters (10712ft)
alpine peak
plant debris
Caloplaca stillicidiorum, Parvoplaca tiroliensis
thallus lacking; apothecia stipitate, flexuose, margins lifting from substrate; disk lead-brown, ~epruinose; rims thin, white-pruinose; epihymenium brown, POL+ strong, clearing entirely in K; hymenium ~55um, clear; cortex distinct, gelatinized, ~25um on top to ~70um below, filled with brown POL+ granules on top and clear POL+ granules throughout, clear granules not clearing in K; spores 8 per ascus, oblong-ellipsoid, ~12-15x5-6um