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

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