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Physcia stellaris Physcia stellaris on the bark of a Balsam Poplar (Populus balsamifera) tree. Physcia stellaris,physica stellaris Click/tap to enlarge

Physcia stellaris

Physcia stellaris on the bark of a Balsam Poplar (Populus balsamifera) tree.

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The physica stellaris

''Physcia stellaris'' is a species of lichen. It is pale grey, but darker in the centre, and lacks isidia, lobules, soredia and pruina. It tests negative with potassium hydroxide.

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Similar species: Lecanorales
Species identified by Gary B
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By Gary B

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Uploaded Mar 18, 2019. Captured Mar 8, 2016 14:54.
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  • Canon EOS DIGITAL REBEL
  • f/4.0
  • 1/800s
  • ISO400
  • 100mm

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