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

also autumn bark biology botanical bushy common ecology ecosystem environment flora forest fragile fungus golden green group growing growth hills known leaf lichen lichenology life macro moss mushroom nature old orange organism overgrown parietina photo photosynthesis photosynthetic plant polycarpa polycarpia shore soft surface symbionts symbiosis symbiotic textured tiny tree tundra wilderness wildlife wood wooden xanthoria yellow