Observation 178904: Pertusaria macounii (Lamb) Dibben
When: 2013-09-19
(35.654° -83.058° 1100m)

Notes: on young Acer rubrum trunk 1.5m off ground

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

thin white continuous crust, warts constricted below and concave above with large but subtle ostioles, cortex K~y C- KC~o slow UV+o 350nm UV~y 375nm P~, medulla next to hymenium K+y strong C- KC+o stronger P+y-o/r slow, spores 2 per ascus undulating inner wall some greenish-brown

Images

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20130919-9-6.jpg
456733
20130919-9-35.jpg
sculptured inner walls of spores, in water, at 400x
456734
20130919-9-36.jpg
green spores (arrows), in water, at 100x

Proposed Names

87% (1)
Eye3 Eyes3
Recognized by sight

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Eye3 = Observer’s choice
Eyes3 = Current consensus

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Created: 2014-09-16 03:00:03 CDT (-0400)
Last modified: 2014-09-16 03:00:12 CDT (-0400)
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