Birch Woodwart - Annulohypoxylon multiforme

    Alternative names
    Hypoxylon multiforme

    This fungus produces hard, black warty cushion like growths on dead branches with bark.

    Identification difficulty

    On dead wood of deciduous trees. It favours Birch but can be found on dead wood of other deciduous trees.

    When to see it

    It appears all year round.

    UK Status

    Fairly common in Britain.

    VC55 Status

    Common in Leicestershire and Rutland.

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    Leicestershire & Rutland Map

    MAP KEY:

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

    UK Map