Pertusaria subambigens Dibben
Annotated by Daphne Stone, Apr 2020.

Oregon: Lane County: Willamette National Forest: Middle Fork Ranger District. Elev. 3245 ft.
43.835614° N, 122.490324° W
Coordinate Source: USFS plot database. Coordinates displaced < 1 mi. for confidentiality.
E of plot is an old growth Pseudotsuga menziesii stand.On plot is an early seral, closed sapling-pole stand dominated by Pseudotsuga menziesii. Also in the mix is Acer circinatum, Mahonia nervosa. S and W of plot is a small creek. Another small creek runs E of plot. The lichen biomass is impressive for a clearcut, probably regenerated from the old growth/mature Pseudotsuga menziesii stand E of plot. Plot is moist with lots of ground flora. Slope 40%. Aspect 200°. Abundance code: 4-6. Substrate: PSME br.

P. Nelson s.n., Jun 7, 2005
OSC, Barcode: OSC-M-300035