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Pertusaria albescens

Pertusaria albescens


Crustaceous lichen. Thallus pale greenish grey to grey, often zoned at the margin, surface with often abundant, often (but not always) clearly delimited, round soralia that lack a bitter taste (compare with P. amara); apothecia rare.


Widespread on bark of deciduous trees, rarely on other substrates. Spotted on the trunk os a chestnut tree


Camera Model: NIKON D300. Exposure Time: 1/60 sec.; f/32; ISO Speed Rating: 200. Focal Length: 90.0 mm. Flash fired

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Spotted by

O Saviñao, Galicia, Spain

Spotted on Sep 17, 2012
Submitted on Sep 17, 2012

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