Dothidella ulmi

    Alternative names
    Platychora ulmi

    In the anamorphic stage, Dothidella ulmi develops under the epidermis, then produces blisters on the leaves of Elm – the stromata are 2 to 4 mm diameter, pulvinate, cracked, with colour between smoke-grey and mouse-grey.

    Identification difficulty

    On living and fallen leaves of Elm

    When to see it


    UK Status

    Widespread in England and Wales, though not well recorded.

    VC55 Status

    Infrequent or under recorded 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