Ptychographa xylographoides Nyl.
Annotated by Daphne Stone, 2 Aug 2019.

Oregon: Douglas County: Umpqua National Forest: Tiller Ranger District. Elev. 2372 ft.
43.046761° N, 122.831877° W
Coordinate Source: USFS plot database. Coordinates displaced < 1 mi. for confidentiality.
Old-growth stand disturbed by a few logging operations over decades, the last one (minor) was approx. 17 years ago. Overgrown with dense young PSME. Cyanolichens are significantly abundant on the plot. Many wet areas. Open canopy due to thinning. Slope 20%. Aspect 12°.

L. Geiser s.n., Jun 22, 2000
OSC, Barcode: OSC-M-291639a