Puccinia poarum
Description
The rust fungus Puccinia poarum galls the leaves of Colt's-foot (Tussilago farfara). The underside of the leaves have thickened areas bearing orange-red aecia and spermogonia.
Identification difficulty

Habitat
Wherever Colt's-foot occurs.
When to see it
When Colt's-foot is in leaf.
UK Status
Widespread and locally frequent in Britain.
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