Observation 212103: Pertusaria amara (Ach.) Nyl. (Site ID) (Lepra amara)

When: 2015-07-28

Collection location: Washington Island, Door Co., Wisconsin, USA [Click for map]

Who: Andrew Khitsun (Andrew)

No specimen available

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Proposed Names

86% (1)
Recognized by sight: bitter taste

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= Observer’s choice
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Various substrates
By: Andrew Khitsun (Andrew)
2015-08-06 19:05:53 PDT (-0700)

The fist two are on smooth-barked Maple. The last two are on peeling-barked White Cedar.