Woodland forest polypore wild mushroom fungi growing on fallen white birch tree trunk forward dolly right

polypore piptoporus betulinus fungus mushroom fungi toadstool mushrooms tree trunk bark woodland spore parasitic ecosystem nature birch woods vegetation growth species rotting growing birch tree fallen shelf decay forest parasite organic natural botany wild wilderness botanical dense holistic homeopathy seasonal shade nutrients plants harvest herbal magic autumnal medicine autumn park medicinal white