![](http://www.alamy.com/thumbs/6/C0667A3B-905B-421F-AB0C-BF36A4A6BFB9/2AFKYWR.jpg)
Close-up of a foliose lichen, possibly Hammered shield lichen
Size: 5184px × 3456px
Photo credit: © Matthijs Wetterauw / Alamy / Afripics
License: Royalty Free
Model Released: No
Keywords: algae, background, biology, close-, cracked-shield, crottle, ecology, ecosystem, epiphyte, epiphytic, foliose, fungus, furrowed, green, growing, hammered, leafy, lichen, macro, oak, powdered, relationship, shield, species, symbiont, symbiosis, symbiotic, thalli, thallus, vegetation, waxpaper, wood