Ключевые слова: autumn, background, bark, betulinus, biology, birch, botany, brown, closeup, environment, fomentarius, forest, fungi, fungus, growth, hoof, hoof fungus, landscape, macro, medicinal, medicine, mushroom, mushrooms, natural, nature, old, outdoor, outdoors, parasite, parasitic, park, plant, polypore, polyporus, season, stem, texture, tinder, tinder conk, tinder fungus, tinder polypore, toadstool, tree, tree mushrooms, trunk, wild, wildlife, wood, wooden,