A foliose lichen (Ramalina sp.) growing on a tree branch

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A foliose lichen Ramalina sp growing on a branch. The presence of certain lichens can be used as an indicator of air quality as many species are sensitive to air pollution

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Size: 5142px × 3441px
Location: Guernsey, Channel Islands, United Kingdom
Photo credit: © Pix / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: lichen, pollution, ramalina