Birch Polypore - Piptoporus betulinus

Alternative names
Razorstrop Fungus

This common bracket has a smooth curvy look as the rim wraps over the edge of the pores. The cap is pale brown and the underside is white. Though the brackets are produced annually, last year's often survive and are often dark and discoloured.

Identification difficulty

Exclusively on fallen dead Birch wood and on standing dead or dying tree trunks.

When to see it

All year round

Life History

The alternative name of Razorstrop Fungus originated because it has been traditionally dried and used for sharpening knives and razors.

UK Status

Very common throughout Britain

VC55 Status

Very common in Leicestershire and Rutland.

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Leicestershire & Rutland Map


Yellow squares = NBN records (all known data)
Coloured circles = NatureSpot records: 2020+ | 2015-2019 | pre-2015

UK Map