common greenshield lichen (flavoparmelia caperata) growing on a pine tree at night.

abstract algae background biology botanical botany brown caperata closeup color common composite dry ecosystem environment flavoparmelia focus foliose fungi fungus green greenshield growth horticulture image isolated leaf lichen lichenometry living macro microorganism nature night organism outdoor outdoors outside parmeliaceae pattern people photography photosynthesis pine plant rough selective summer surface symbiotic texture textured tree vertical