Observation 178903: Pertusaria macounii (Lamb) Dibben
When: 2013-09-19
(35.654° -83.058° 1100m)

Notes: on young Acer rubrum trunk 1m off ground

oak-maple-laurel forest on upper part of south-facing slope

thin white continuous crust, warts steep-sided and flat above with small gray ostioles, cortex K- C- KC- UV+y/o weak 350nm UV~y weak 375nm P, medulla next to hymenium K+y strong C- KC unchanged P+y-o/r slow, spores 2 per ascus undulating inner wall some green, half of thallus missing algae

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Created: 2014-09-15 23:59:53 PDT (-0700)
Last modified: 2014-09-15 23:59:59 PDT (-0700)
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