fomes fomentarius fungus. fomes fomentarius fungus on a quercus vulcanica tree

autumn background bark biology bracket fungus closeup decomposer environment fomes fomentarius forest fragility fungi green growth hoof leathery layer macro moss mushroom mushrooms mycology natural nature organic outdoor outdoors parasite plant polyporaceae polypore fruit body rotten rotting process season spore stump summer tavastia texture tinder tree trunk tumor white wild plants wildlife wood