Observation 211854: Opegrapha viridis (Pers. ex Ach.) Behlen & Desberger

Proposed Names

29% (1)
Recognized by sight
92% (2)
Eye3 Eyes3
Based on microscopic features: spores many-septate, ~5-6µm wide

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Eye3 = Observer’s choice
Eyes3 = Current consensus


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Jim Bennett agrees it’s O.viridis too :)
By: Andrew Khitsun (Andrew)
2016-03-07 21:00:36 CST (-0500)

He says the were only one or two observations in the state before – perhaps the species is under-collected.

I am not sure of the species – probably O.varia?
By: Andrew Khitsun (Andrew)
2015-08-02 21:21:20 CDT (-0400)

The growth pattern is different from what I observed before. These guys form small (not bigger than half inch) circles, and apothecia is much smaller than what I am used to seeing in O.varia. Basically you only see tiny dots with naked eye. But Door County produces lots of weirdly looking lichen, that turn out to be just a variations of common species. It also has lots of rare species recorded there. What about Graphis?

Created: 2015-08-02 20:13:53 CDT (-0400)
Last modified: 2016-01-09 16:24:09 CST (-0500)
Viewed: 50 times, last viewed: 2017-06-20 13:07:38 CDT (-0400)
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