Notes: squamulose lichen, on base of Pseudotsuga macrocarpa on scorched bark
THALLUS: olive brown to tan, 0.5-2 mm, roundish, adnate to raised at margin, finely sorediate underneath esp. under margin, no cortex below
MEDULLA: white, cottony, C+r
ALGAE: green, thick and relatively diffuse
APOTHECIA: none