The navel lichen Umbilicaria spodochroa growing on a stone

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Photo credit: © HHelene / Alamy / Afripics
License: Royalty Free
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Keywords: ascomycota, biodiversity, biology, brown, closeup, ear, ecology, fungi, fungus-, lecanoromycetes, lichen, macro, mushroom, mycobiont, nature, navel, organism, rock, spodochroa, stone, surface, symbiont, symbiosis, symbiotic, texture, tripe, umbilicaria, umbilicariaceae, umbilicariales, wild