Observation 178897: Pertusaria subpertusa Brodo
When: 2013-09-19

Notes: on young Fagus grandifolia trunk 1m off ground

oak-hickory forest on lower part of south-facing slope

thin smooth whitish crust with ~vertical-walled ~round warts with ~1-5 apothecia per wart, ostioles purplish, thallus and esp. interior of warts K+y turning orange weak and slow C- KC- UV- 350-375nm P+y/o on cortex to red (slow) in medulla of warts, epihymenium purplish-grayish-brown turning rich brown in K, spores 1(-2) per ascus thick smooth ~4um wall ~140-150×32-35(-50)um

Images

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20130919-2-1.jpg
456707
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at 20x, stacked
456708
20130919-2-26.jpg
at 40x, stacked

Proposed Names

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Created: 2014-09-15 23:52:53 PDT (-0700)
Last modified: 2014-09-15 23:53:02 PDT (-0700)
Viewed: 4 times, last viewed: 2017-06-18 19:02:45 PDT (-0700)
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