Private Herbarium of Jason Hollinger (hb. Hollinger)
Rhizocarpon geminatum Körb.
Rhizocarpaceae
Jason Hollinger (2014-10-09)
ID certainty: positive
Jason Hollinger
7698
2014-10-09
United States, Nevada, Pershing County, Humboldt Range, Black Canyon, base of tall stepped cliff on south side of road just past where road crosses to south side of canyon (~700 m past fork)
40.5414 -118.2025 +-5m.
2033 meters (6668ft)
base of steep broken north-facing rhyolite cliff
granite
Rhizocarpon bolanderi, Umbilicaria virginis
areoles adnate convex grayish angular, K+y P+y/o strong, spores 2 per ascus brown muriform, cortex v indistinct ~15um with epicortex to ~15um