United States, Nevada, Pershing County, Humboldt Range, Black Canyon, ~350 m east up ridge from top of faint mining track at head of canyon
40.5477 -118.1908 +-5m.
2496 meters (8187ft)
broad east-west ridge with thin low _Artemisia_ scrub; limestone scree and occasional talus blocks with local vein of some sort of yellowish crumbly sandstone-like rock
rotten iron-rich sandstone
thallus scattered subsquamulose-areolate, areoles convex strongly waxy white-pruinose over pinkish context, K- C- KC-, apothecia inset ~round red-brown smooth, cortex ~40um paraplect. globose cells to ~4um, epicortex as much as 80um but deeply cracked to eucortex, algae continuous and even, hymenium ~100um, spores many per ascus ~8-10x3um