Physcia caesia (Hoffm.) Fürnr.
Annotated by L. Geiser, Nov 2000.

Idaho: Idaho County: Wallowa-Whitman National Forest: Hells Canyon National Recreation Area: NE side of Kirkwood Ck., 1.00 mi from the Snake R./Kirkwood Ck. confluence. Elev. 1707 ft.
45.5565° N, 116.4846° W; T26N R1W Sec 29SW
Coordinate Source: USFS plot database.
Upslope is steep and rocky, much bare soil with some bunchgrass, Opuntia cactus and the moss, Racomitrium. Upslope CERE2 trees shade those trees immediately below them. Most CERE2 with some moss on the boles. Lichen diversity is relatively high. Disturbance heavy along road corridor, no current grazing. Cheat grass and weeds on either side of the road. Road is lightly used, ATV only. Late Triassic/Mid Jurrasic Intrusives. Slope 8%. Aspect 220°. Spot Tests: Cortex & Medulla K+yellow.

A. Mikulin s.n., Oct 27, 2000
OSC, Barcode: OSC-M-299148a, Filed under Physcia adscendens (OSC-M-299148)