stereum hirsutum hairy curtain crust and fomes fomentarius growing on a mossy log in palatinate forest germany

autumn betzenberg brown cluster countryside crust decomposer ecology environment europe fomentarius fomes forest fungi fungus germany growth hirsutum kaiserslautern land lichen log medicinal moss mountains mushroom mushrooms mycology national natural nature palatinate pfalz pine polypore reserve rest rhineland rot scenery stereum tinder tree trunk wild wood woodland woods