blue moss on a tree branch in the forest. lichens on tree branch. abstract texture macro shot.

abstract alternative autumn backgorund background backgrounds bark beautiful beauty birch blue blurred branch bright cetraria close covered creating day design dry environment fall food forest grass green growing growth grunge health herbal icelandic islandica lichen lichens linchen living macro medical medicine moss mountain mountains natural nature oak old park pattern phytotherapy pine plant relationship rough skin stem stoos sunndy symbiotic texture thin tree trees trunk vine wall white wood woods