Pertusaria panyrga (Ach.) A. Massal.
Annotated by B. McCune, 2004. Remarks: ID certainty: certain

Alaska: North Slope Borough: SW of Copter Peak, watershed of Kugururok River Noatak National Preserve, De Long Mountains, western Brooks Range. Elev. 433 m.
68.4726486° N, -161.4745483° W
Datum: NAD27.
Open low-and dwarf shrub (Betula) tundra, valley bottom. Epith. Blue-green-black, K+ olive-brown. Substrate: Detriticolous.

Roger Rosentreter 15708, Jun 25, 2004
With Noatak Lichen Quest (TA/EAH/BPM/PN/SN)
RR, Barcode: SRP-L-0006180