Observation 166267: Parmotrema A. Massal.
When: 2014-05-31
No herbarium specimen

Notes: Photos show foliose lichen on dead cottonwood twig. Lichen is green-apple to blue-white colored, with white meandering lines (isidia?) but no raised ridges; underside burnt caramel colored.

Images

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underside of bark fragment lichen growing on.
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underside of bark fragment lichen growing on.

Proposed Names

-29% (1)
Recognized by sight
29% (1)
Eye3
Used references: Brodo, Lichens of North America.
56% (1)
Eyes3
Recognized by sight: gestalt: thinner thallus, rounded lobe tips, no obvious white markings on the surface, loosely attached, soredia in powdery piles on margin

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Eye3 = Observer’s choice
Eyes3 = Current consensus

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Created: 2014-05-31 15:44:30 PDT (-0700)
Last modified: 2014-06-01 09:39:34 PDT (-0700)
Viewed: 13 times, last viewed: 2014-06-01 10:26:50 PDT (-0700)
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