Physcia biziana (A. Massal.) Zahlbr.
Annotated by D. Glavich, 10 May 2017.

Oregon: Wallowa County: Wallowa-Whitman National Forest: Hells Canyon National Recreation Area: Hells Canyon Wilderness: A few 100' from HCNRA W. Hells Cyn Dam on ledge above Snake R., W side of River, down river from dam 0. ? mi on road. Elev. 1534 ft.
45.24641° N, 116.699° W; T4S R3W Sec 4 NNE
Coordinate Source: USFS plot database.
Moderately sloping ledge above Snake R w/ ~ 10 young CELAR. Very hot, windy spot boxed in btwn sheer rocky cliffs. A few lower brs of CELAR show fire scarring/ blackening. A woody vine is overgrowing a few of the CELAR. Aspect 130°. Abundance code: 4-4; Diversity ~ same as other HCNRA sites but lichen cover low- either due to dryness or young age of trees. Passive smapling for Nox, NO, H2S, SO2 & NH4 was made here for 1 year in ~ 2001-2. Lichens found in moistest microsites. With Phaeophyscia orbicularis, Xanthomendoza fallax, Xanthomendoza montana. Substrate: cere2 br.

L. Geiser s.n., Aug 21, 2010
OSC, Barcode: OSC-M-292466