Exobasidium japonicum

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    Alt Name
    Azalea leaf gall fungus
    Description

    The fungus Exobasidium japonicum causes galls on the live leaves of Rhododendron species including azaleas. The galls are irregularly swollen, pale green at first then chalky white.

    Identification difficulty
    Habitat

    Where Rhododendron species are present.

    When to see it

    When Rhododendron species are in leaf.

    UK Status

    Widespread in Britain, though not well recorded.

    VC55 Status

    Status in Leicestershire and Rutland not known.

    • Ray Pearce
      Shepshed garden
      17 June 2018
    • Ray Pearce
      Shepshed garden
      17 June 2018

    Leicestershire & Rutland Map

    MAP KEY:

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

    UK Map