Private Herbarium of Jason Hollinger
(hb. Hollinger)
Taxon: Acarospora thamnina (Tuck.) Herre
Family: Acarosporaceae
Determiner: Jason Hollinger (2019-03-21)
ID Remarks: ID certainty: uncertain
Collector: Jason Hollinger   6665   
Date: 2014-10-04
Additional Collectors: Nastassja Noell
Locality: United States, Nevada, White Pine County, Great Basin National Park, Mount Wheeler, within 10 m of western peak
38.9859  -114.3148 +-5m.
Elevation: 3981 meters (13058ft)
Habitat: rocky summit, geology a mixture of siliceous metamorphic rocks
Substrate: quartzite
Associated Species: Rhizoplaca novomexicana
Notes: thallus following cracks or rosulate on flat surface; areoles gomphate to subsquamulose at margin, with pale whitish to brownish lower surface, upper surface smooth very shiny medium to dark brown; cortex very thick, with thick epinecral layer, to ~100um; algal layer continuous; cortex and sometimes medulla C+r; apothecia strongly immersed and contorted, red-brown, rough with interascal plectenchyma; epihymenium red-brown; spores many per ascus, ~4x2um
Specimen Images
Record ID: 9dad147e-ed5a-4113-b9c3-2ee3fb505018
For additional information on this specimen, please contact: Jason Hollinger (
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