Phacopsis oxyspora (Tul.) Triebel & Rambold
Annotated by L. Geiser, Nov 2000.

Oregon: Wallowa County: Wallowa-Whitman National Forest: Hells Canyon National Recreation Area: NE side of Lightning Ck., 0.25 mi from the Imnaha R./Lightning Ck. confluence. Elev. 1298 ft.
45.75065° N, 116.7505° W; T3N R49E Sec 7SW
Coordinate Source: USFS plot database.
Box canyon, no trees on upper half. Lower half, below the road was moist to very moist. Canyon narrows at this point with basalt bluff rising almost vertically 60' above the ck. Ck has good drop%. Road bisects plot, a portion of the old creek channel is on the plot (moist area). Epiphytic Leptogium was found, a moist site, clean air indicator. A lot of Melanelia. Lichen cover was twice as high as LightningCK0 or 1. Moderate disturbance. Columbia River basalts. Slope 2%. Aspect 220°.

A. Mikulin s.n., Oct 23, 2000
With L. Geiser
OSC, Barcode: OSC-M-269458a, Filed under Melanelia subargentifera (OSC-M-269458)