serpent's (zmeinyi) island, lichens and moss on the coastal stones and rocks of the island, ukraine

landscape island ukraine coastal stones lichens zmeinyi algae algal flora botany brown closeup covered disclike apothecia ecology fungi geological geology gray lichen greenish yellow growth lace on rock lichenes lichenology moss natural nature old stone outdoors parmelia photosynthetic plant layers sporophyte spots surface texture thallus wild xanthoria beach