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Piptoporus betulinus.
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| synonyms: Birch Polypore, Birkenporling, Polypore du bouleau, Razorstrop Fungus |
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| location: North America, Europe | | edibility: Inedible | | fungus colour: White to cream, Grey to beige | | normal size: over 15cm | | cap type: Other | | stem type: Lateral, rudimentary or absent | | flesh: Mushroom has distinct or odd smell (non mushroomy) | | spore colour: Light to dark brown | | habitat: Grows on wood |
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Piptoporus betulinus (Bull. ex Fr.) Karst. syn. Polyporus betulinus Bull. ex Fr. Birkenporling Polypore du bouleau, Birch Polypore or Razorstrop Fungus. Bracket 10–20cm across, 2–6cm thick, subglobose at first, expanding to hoof-shaped often with a rudimentary stem, margin thick and rounded; upper surface with a thin separable skin, smooth, whitish when young darkening to fleshy grey-brown with age. Flesh white, rubbery. Taste slightly bitter, smell strong and pleasant. Tubes 1.5–5mm long, white. Pores 3–4 per mm, circular, white at first, later pale grey-brown. Spores cylindric to bean-shaped, 4.5–6 x 1.3–1.5um. Habitat on birch. Season all year, annual, although fruit bodies remain intact from one year into the next. Very common. Not edible. Distribution, America and Europe.
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Members' images and comments
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Dave Kelly (United Kingdom) - 19 September 2011
Birch Polypore, New Forest UK
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Marjan Kustera (Yugoslavia) - 19 April 2011
Find at Vlasina lake,Serbia 2010.
Photo by Marjan Kustera.
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Tony Wharton (United Kingdom) - 27 October 2010
Taken on Highgate Common, Staffs.
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Tony Wharton (United Kingdom) - 26 October 2010
Photographed on Highgate Common, Staffs.
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Richard Oakley (United Kingdom) - 25 September 2010
Richard Oakley (UK) - Epping Forest, 24 September 2010
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Terry Bouffard (Canada) - 23 April 2009
Found these on April 19 2009. There was still snow in the bush and these were were frozen like popsicles.
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Steven Hanna (United Kingdom) - 11 January 2009
Birch Polypore
Piptoporus betulinus
Kent, 2008
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Lorand Bartho (Hungary) - 06 November 2008
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Lorand Bartho (Hungary) - 06 November 2008
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