Observation 64831: Lichen P. Micheli

When: 2011-03-28

Collection location: Brdo, Slovenia [Click for map]

Who: BubikolRamios

No specimen available

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 19:17:03 MDT (-0600)

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 17:07:10 MDT (-0600)

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

Created: 2011-03-27 16:31:31 MDT (-0600)
Last modified: 2011-03-27 19:17:18 MDT (-0600)
Viewed: 33 times, last viewed: 2017-11-09 11:36:42 MST (-0700)
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