Uromyces geranii is a rust fungus that galls the leaves of various Geranium species. The appearance on the underside of the leaves may vary depending on maturity of the rust from dark spots to orange swellings up to 2 cm in length.
Where the host Geranium species are present.
When the host species are in leaf.
Widespread in Britain.
Status in Leicestershire and Rutland not known.
Leicestershire & Rutland Map
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Yellow squares = NBN records (all known data)
Coloured circles = NatureSpot records: 2020+ | 2015-2019 | pre-2015