Private Herbarium of Jason Hollinger (hb. Hollinger)
Rhizocarpon effiguratum (Anzi) Th. Fr.
Rhizocarpaceae
Jason Hollinger (2014-10-09)
ID certainty: positive
Jason Hollinger
7710
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
_Pleopsidium flavum_ over vertical sheltered granite at least initially
Pleopsidium flavum
mostly forming clear rosettes initially on with edges clearly the same brighter yellow of the host then soon becoming paler, medulla K~y weak C- KC- UV- P+y/o very strong I+v strong, epihymenium dark brown distinct K+r, spores 8 per ascus 1-septate dark brown