Star Rosette Lichen

Physcia stellaris

Summary 2

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.

Sources and Credits

  1. (c) Even Dankowicz, all rights reserved, uploaded by Even Dankowicz
  2. (c) Wikipedia, some rights reserved (CC BY-SA), http://en.wikipedia.org/wiki/Physcia_stellaris

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iNat Map

Form lichen
Habit of lichen on bark