lung oyster mushroom growing on a moss covered tree trunk, pleurotus pulmonarius in autumn forest

pulmonarius hallimasch luxembourg mullerthal pleurotus mushrooms structure toadstool mushroom moisture parasite woodland growing covered forests germany species natural oyster autumn forest common sponge fungus season fungis fungal nature detail edible europe trunk stick group fruit flesh woods close macro fungi brown stump flora plant lung moss tree fall body food wild wet