Observation 64831: Lichen P. Micheli
When: 2011-03-28
Collection location: Brdo, Slovenia [Click for map]
No herbarium specimen

Notes: diameter ~ 40 mm, mostly very easy spotted on Carpinus betulus bark, also on other trees. Zero elevation above surface, it is like painted. Very common.

Proposed Names

28% (1)
Recognized by sight

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Eye3 = Observer’s choice
Eyes3 = Current consensus


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Agree this is lichen
By: Jason Hollinger (jason)
2011-03-27 21:17:03 CDT (-0400)

It looks a lot like Lecanora thysanophora: it has that radially-fibrous look, with the green algae showing through in the interior. But someone recently pointed out a photo Sharnoff took of an alleged Phlyctis argena which also looked like this. Should be covered with fine powdery soredia, either way. Can you get a closer shot? Also, a drop of KOH (lye) would potentially help a lot. (Lecanora thysanophora is K- (but KC+ gold), Phlyctis argena is K+ yellow turning slowly bright deep red.)

By: zaca
2011-03-27 19:07:10 CDT (-0400)

This is a sterile crustose lichen, maybe one of Pertusaria sp..

Created: 2011-03-27 18:31:31 CDT (-0400)
Last modified: 2011-03-27 21:17:18 CDT (-0400)
Viewed: 30 times, last viewed: 2016-10-22 06:04:12 CDT (-0400)
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