Erysiphe ulmariae


    Erysiphe ulmariae is a powdery mildew which affects plants in the Filipendula family such as Meadowsweet.

    Identification difficulty
    Recording advice

    Unless identified by a recognised expert, a photo is required and the specimen should be examined with a microscope. In the comments box, state the key or ID method used and describe the size and identifying characters.


    The mildew may be observed anywhere that the host plants occur.

    When to see it

    The mildew may be observed when the host plants are in leaf.

    UK Status

    It seems to be widespread in Britain, although true status is difficult to determine due to lack of records.

    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