Pavement lichen

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Size: 5472px × 3648px
Location: Yorkshire, UK
Photo credit: © Ros Crosland / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: algae, block, concrete, crust, crustose, cyanobacteri, grey, lichen, lichens, mantenance, marks, moss, pavement, paving, silver, uk, unslightly