Observation 59999: Lecanora thysanophora Harris
When: 2010-11-29
Herbarium specimen reported

Notes: on smooth bark of trunk of Acer rubrum by stream in moist, dark, forested north-running ravine around 3000’


characteristic beautiful fibrous prothallus at 10x
characteristic beautiful fibrous prothallus at 30x
P+ pale yellow test due to atranorin

Proposed Names

87% (1)
Eye3 Eyes3
Used references: Preliminary keys to sterile crustose lichens of North America by James Lendemer
Based on chemical features: K+y, C-, KC+y, P+y, UV+ dull yellow

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Eye3 = Observer’s choice
Eyes3 = Current consensus


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Created: 2010-11-30 08:09:12 PST (-0800)
Last modified: 2010-11-30 08:09:14 PST (-0800)
Viewed: 41 times, last viewed: 2016-10-26 12:22:30 PDT (-0700)
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