Alder Tongue - Taphrina alni

    Alternative names
    Taphrina amentorum

    Taphrina alni is a fungal plant pathogen that causes Alder Tongue Gall, a chemically induced distortion of female Alder catkins.

    Identification difficulty

    On Alder (Alnus glutinosa).

    When to see it

    Persists for much of the year.

    Life History

    See above.

    UK Status

    Once rare in the United Kingdom it has spread rapidly in recent years and is now quite common.

    VC55 Status

    Status in Leicestershire and Rutland not known.

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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