Observation 18940: Physcia aipolia (Ehrh. ex Humb.) Fürnr.
When: 2009-02-27
No herbarium specimen

Notes: I was delighted to find this little cluster of lichen fruits. It was on a fallen oak branch. The entire formation is about an inch and a half wide.

Proposed Names

68% (2)
Eye3
Recognized by sight
57% (1)
Eye3
Used references: As per Chris below.
84% (1)
Eyes3
Recognized by sight: Way too conspicuously spotted to be P. stellaris

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Eye3 = Observer’s choice
Eyes3 = Current consensus

Comments

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I agree with Chris
By: Jason Hollinger (jason)
2011-12-12 02:09:39 CST (-0500)

Punctelia also has spots, but they are holes punctured all the way through the cortex. These spots are just pale discolorations (from uneven distribution of algae below the cortex). You’d also find that this is white underneath, separating it from most of the “parmelioid” lichens like Punctelia.

Physcia
By: Chris Parrish (kitparrish)
2010-02-14 01:32:21 CST (-0500)

I suspect that this is Physcia, which are generally rosette lichens. In fact, they are called rosette lichens, but they will wrap themselves around thin branches, and in this case it might have taken on that interesting shape by conforming to the shape of the branch underneath it. They are generally grayish white, but they can look greenish like this when they are damp.

…..and i was delighted to share your observation of it! nice shape!
By: Debbie Viess (amanitarita)
2009-02-28 11:15:04 CST (-0500)

Created: 2009-02-27 20:43:02 CST (-0500)
Last modified: 2011-12-12 02:05:47 CST (-0500)
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