Private Herbarium of Jason Hollinger (hb. Hollinger)
Circinaria arida Owe-Larsson, A. Nordin & Tibell
Megasporaceae
Jason Hollinger (2014-10-10)
ID certainty: uncertain
Jason Hollinger
8142
2014-10-10
United States, Nevada, Pershing County, Humboldt Range, Black Canyon, ~200 m east up ridge from top of faint mining track at head of canyon
40.5473 -118.1925 +-5m.
2477 meters (8125ft)
broad east-west ridge with thin low _Artemisia_ scrub; limestone scree and occasional talus blocks
side of small limestone bouder on ground
Caloplaca atroalba, Staurothele drummondii
thallus ~contiguous, arolate, K- P-; areoles strongly convex right to edge, pale brownish under abundant grayish dusty pruina; prothallus very scant whitish fibrous; apothecia round large deeply inset with thick voluptuous smooth raised thalline margins, pruinose; exciple I+b below to I- on sides; epihymenium olive turning brown in K; hymenium ~120-130um, I+b-r fast; subhymenium I+b-r slower; paraphyses thick 2-4+ globose cells; spores (2)4 per ascus, subglobose, ~25-35x20-25um; pycnidia not found