macro of lichen growth on twig abstract nature

algae branch coating community composite cover covering ecosystem entire environment environmental foliose fungus green grow growing grown growth interwoven layer layers lichen lichened macro miniature mutualism natural nature occupy organism organisms over overgrown pattern photobiont photosynthesis photosynthesizing photosynthetic stick structure structures substrate symbiosis symbiotic texture thallus twig vegetation woodland woody wrapping geometric background blurred blur abstract patterns