lichen on a dry twig on a white background. evernia prunastri, also known as oakmoss.

algae also background bark biology botany branch close closeup dry ecosystem environment evernia extensively flora forest fungi fungus grow growing growth habitat isolated known lichen lichenology lichens lobes macro modern moss mossy mushroom natural nature oak oakmoss organic parasite peninsula perfumery plant prunastri shape suffocate symbiosis symbiotic tree trunk twig used vegetation white wild wood