xanthoria also known as shore lichen is growing on old wooden bark.

abstract also autumn bark botanical bright close closeup colorful common detail ecology foliose forest fragile fungus golden growing growth hills known leaf lichen lichenology macro material moss mushroom nature nobody old orange organism parietina photo photosynthesis photosynthetic plant polycarpa polycarpia scale shore soft surface symbionts symbiosis symbiotic textured tiny tundra wilderness wildlife wood wooden xanthoria yellow