When: 2014-05-17

Collection location: Rooster Rock State Park, Multnomah Co., Oregon, USA [Click for map]

Who: Daniel B. Wheeler (Tuberale)

No specimen available

Images

Several found, growing on everything, but especially Bigleaf maple and Black cottonwood.
Reverse side has veins, lobes, ribs.
Largest specimen found today. Thinner at tips, wider near base.

Proposed Names

76% (2)
Recognized by sight
Used references: Brodo, Lichens of North America

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= Observer’s choice
= Current consensus

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Created: 2014-05-17 15:30:32 PDT (-0700)
Last modified: 2014-05-17 15:48:49 PDT (-0700)
Viewed: 7 times, last viewed: 2019-07-13 04:16:04 PDT (-0700)
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