Piptoporus betulinus identification

About mushroom

Piptoporus betulinus (Bull. ex Fr.) Karst. syn. Polyporus betulinus Bull. ex Fr. Birch Polypore or Razorstrop Fungus, Polypore du bouleau, Birkenporling, Ny?rfa-tapl?, ny?rtapl?, Berkezwam. 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.

Piptoporus betulinus photos

More info about Piptoporus betulinus mushroom

Stem type:
rudimentary or absent
Grows on wood
Spore colour:
Light to dark brown
Cap type:
Fungus colour:
Grey to beige
White to cream
Normal size:
over 15cm
North America
Mushroom has distinct or odd smell (non mushroomy)
Birch Polypore, Birkenporling, Ny?rfatapl?, ny?rtapl?, Polypore du bouleau, Razorstrop Fungus
Last modification: 2015-10-15 17:38:52

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