Private Herbarium of Jason Hollinger (hb. Hollinger)
Trapelia coarctata (Sm.) Choisy
Trapeliaceae
Jason Hollinger (2018-03-26)
ID certainty: uncertain
Jason Hollinger
19898
2018-03-26
United States, Oregon, Josephine County, Siskiyou Field Station
42.2775 -123.6471 +-5m.
392 meters (1286ft)
_Pseudotsuga_-_Quercus_ forest shortly above river
metamorphic rock on ground
thallus pale gray, rimose-areolate, white prothallus, weakly verruculose, K~ brownish C+r KC+r UV- KUV- P-; apothecia erumpent, often pulling up a collar of thalline tissue and appearing lecanorine; epihymenium blackish; hymenium hyaline, clear; shypothecium dark brown throughout; spores ~10x6um but only one seen