Kuehneromyces mutabilis Martinsbachtal, Biedenkopf, Hesse, Germany, 18.10.2026 #Kuehneromyces #Kuehneromycesmutabilis #Stockschwämmchen #SheathedWoodtuft #Nature #fungus #champignon #Pilz #Mushroom #Fungifriday #FungiFriends