Great Burnet Rust - Xenodochus carbonarius
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.
Leicestershire & Rutland Map
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MAP KEY:
Yellow squares = NBN records (all known data)
Coloured circles = NatureSpot records: 2020+ | 2015-2019 | pre-2015