Fomitopsis betulina, previously Piptoporus betulinus, known as the birch polypore, birch bracket, or razor strop

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Keywords: acid, agaric, annual, autumn, betulina, betulinus, birch, bracket, fall, finland, fomitopsis, fungus, herbal, medicinal, mushroom, piptoporus, polypore, razor, remedy, september, strop