foliose lichen round apothecia by microscope. scurfy greenery background. symbiotic organism of algae or cyanobacteria among filam

algae among apothecia apothecium association background bark biology botany closeup colours combined come component crustose cultivation cyanobacteria different drippy filam filaments flora foliose forest form forms from fruticose fungi green greenery growth lichen lichenes lichens life macro many microcosm microscope microscopic multiple nature organism plant properties recesses relationship research round science scurf scurfy sizes symbiosis symbiotic texture wildlife wood young