Ключевые слова: affected, areas, autumn, background, bark, birch, birchen, black, brown, chaga, chopped, closeup, color, dark, disperse, edible, education, fight, flora, folk, forest, fungus, germinate, healthy, herb, herbal, infection, knot, large, medicinal, medicine, mushroom, nature, object, obliquus, officinal, parasite, peel, round, shape, solid, sponge, spores, tea, tinder, trunk, white, wood,