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Fomitopsis betulina This common bracket fungus, the birch polypore or razor strop, is widespread throughout the northern hemisphere and the main cause of brown rot on birch (Betula sp.) trees. It is well known due to its long history of traditional uses and pieces of it were found among the belongings of Ötzi the Iceman, a mummified man who lived over 5000 years ago and was found in the Alps b...

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Urban Nature Walk finds: geophilomorph centipede, unknown gall, birch polypore Piptoporus betulinus

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Birch polypore (Piptoporus betulinus)

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