Great Burnet Rust - Xenodochus carbonarius

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Description

Great Burnet Rust (Xenodochus carbonarius) causes galls on the leaves of Great Burnet (Sanguisorba officinalis).  There is no host-pant alternation.  Swollen purple spots on leaf undersides and petioles bear orange aecia; later, black telia are produced on both surfaces of leaves.

Identification difficulty

host

Recording advice

Photograph the rust on the host.  Ensure you have noted the host-plant species in your comments

Habitat

on Great Burnet, meadows and wet grasslands

  • Graham Calow
    Stoney Stanton, Highgate Lodge Farm open access land
    13 June 2022
    on Great Burnet
  • Peter Smith
    Burbage Common
    20 July 2024
  • sue
    Thornton Meadows
    07 May 2018
  • Graham Calow
    Stoney Stanton, Highgate Lodge Farm open access land
    13 June 2022
    on Great Burnet
  • Peter Smith
    Burbage Common
    20 July 2024
  • Graham Calow
    Stoney Stanton, Highgate Lodge Farm open access land
    09 June 2019
  • Graham Calow
    Burbage Common
    21 June 2016
    Galls on Great Burnet (Sanguisorba officinalis)
  • David Nicholls
    20 Acre Piece
    11 May 2012
    on Great Burnet

Leicestershire & Rutland Map

MAP KEY:

Yellow squares = NBN records (all known data)
Coloured circles = NatureSpot records: 2025+ | 2020-2024 | pre-2020

UK Map

Species data profile ?

Species profile

Common names
Great Burnet Rust
Species group:
fungus
Kingdom:
Fungi
Order:
Pucciniales
Family:
Phragmidiaceae
Records on NatureSpot:
11
First record:
11/05/2012 (Nicholls, David)
Last record:
21/06/2025 (Graves, Hazel)

Total records by month

% of records within its species group

10km squares with records

The latest images and records displayed below include those awaiting verification checks so we cannot guarantee that every identification is correct. Once accepted, the record displays a green tick.

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Latest images

Latest records

  • 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)
  • 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
  • Melinda Bell
    Whitwick,Coalville Meadow SSSI
    20 May 2020
  • Hazel Graves
    Desford, Charity Fields
    21 June 2025