Parmelia saxatilis, commonly known as the salted shield lichen or grey crottle lichen,
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Photo credit: © Henri Koskinen / Alamy / Afripics
License: Royalty Free
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Keywords: crottle, finland, foliose, grey, kallioisokarve, lichen, lichens, march, parmelia, rock, salted, saxatilis, shield, spring, surface, äää