When: 2014-08-23

Collection location: Serra de São Mamede, Portugal [Click for map]

Who: zaca

No specimen available

Notes:
This observation refers to the Physcia occupying most of the photo; At the bottom-right one can see another Physcia (maybe P. adscendens) growing on rock.

Images

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Comments

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I just learned that there is another “P. caesia”
By: Jason Hollinger (jason)
2016-02-22 19:25:50 PST (-0800)

True P. caesia has laminal / subterminal soralia, the otherwise very similar P. subalbinea has marginal soralia.