When: 2011-05-01

Collection location: Lourinhã, Portugal [Click for map]

Who: zaca

No specimen available

Citando Jason in a previous comment: “P. caesia has piles of “capitate”, often blue, soredia”. I remembered immediatly that phrase when I saw this group of specimens growing in a concrete wall.


Other specimens and chemical reactions.

Proposed Names

62% (2)
Recognized by sight: See the notes, Observation MO65783, and the comments to Observation MO65329.

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= Observer’s choice
= Current consensus


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Created: 2011-05-09 15:02:12 PDT (-0700)
Last modified: 2011-05-09 15:16:25 PDT (-0700)
Viewed: 41 times, last viewed: 2020-05-21 15:50:13 PDT (-0700)
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