Observation 11961: Pertusaria DC.

When: 2008-10-04

Collection location: Larch Mountain, Multnomah Co., Oregon, USA [Click for map]

Who: Daniel B. Wheeler (Tuberale)

No specimen available

Lichen found on a chunk of Noble fir bark, blown off in last night’s 50mph windstorm. Granular and chalky appearance, with some small grayish-green and nearly white bumps on it.


Proposed Names

5% (2)
Recognized by sight
28% (1)
Recognized by sight: just a guess; possibly P. subambigens based solely on photo in Brodo

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= Observer’s choice
= Current consensus


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Created: 2008-10-05 03:54:23 CEST (+0200)
Last modified: 2008-10-05 03:54:23 CEST (+0200)
Viewed: 5 times, last viewed: 2019-01-23 15:14:27 CET (+0100)