Great Burnet Rust - Xenodochus carbonarius

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    Description

    The fungus Xenodochus carbonarius causes galls on the leaves of Great Burnet (Sanguisorba officinalis) these take the form of swollen purple spots bearing aecia and telia.

    Identification difficulty
    Habitat

    On Great Burnet (Sanguisorba officinalis).

    When to see it

    When Great Burnet (Sanguisorba officinalis) is in leaf.

    UK Status

    Widespread in England and Wales, though not well recorded.

    VC55 Status

    Status in Leicestershire and Rutland not known.

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    • David Nicholls
      20 Acre Piece
      11 May 2012
      on Great Burnet
    • Graham Calow
      Burbage Common
      21 June 2016
      Galls on Great Burnet (Sanguisorba officinalis)
    • Graham Calow
      Stoney Stanton, Highgate Lodge Farm open access land
      09 June 2019
      rust on Great Burnet - specimen examined

    Leicestershire & Rutland Map

    MAP KEY:

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

    UK Map

    • Graham Calow
      Stoney Stanton, Highgate Lodge Farm open access land
      09 June 2019
      rust on Great Burnet - specimen examined
    • David Nicholls
      Ulverscroft
      18 May 2012
    • Graham Calow
      Burbage Common
      21 June 2016
      Galls on Great Burnet (Sanguisorba officinalis)
    • David Nicholls
      20 Acre Piece
      11 May 2012
    • Graham Calow
      Burbage Common
      21 June 2016
      Galls on Great Burnet (Sanguisorba officinalis)
    • Graham Calow
      Burbage Common
      21 June 2016
      Galls on Great Burnet (Sanguisorba officinalis)
    • sue
      Thornton Meadows
      07 May 2018