moss and lichens on the bark of a tree in a spruce taiga forest. karelia, orzega. yellow green moss on the trunk

moss wood forest outdoor fungus biodiversity mushroom lichen sporangia park humid rainforest necker nature taiga green bark trunk spore wilderness background flora beautiful growth natural mosses hypnaceae ctenidium tree ecosystem leaf creeper reindeer bryophyte botany bryophyta environment mossy closeup sporophyte summer plant woodland