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


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Proposed Names

87% (1)
Used references: Nash’s Sonoran Flora
Based on microscopic features
Based on chemical features: medulla C+ red

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Created: 2008-10-11 21:23:15 PDT (-0700)
Last modified: 2008-10-11 21:23:15 PDT (-0700)
Viewed: 137 times, last viewed: 2019-07-09 07:37:00 PDT (-0700)