Uromyces geranii


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.

Identification difficulty

Where the host Geranium species are present.

When to see it

When the host species are in leaf.

UK Status

Widespread in Britain.

VC55 Status

Status in Leicestershire and Rutland not known.

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Leicestershire & Rutland Map


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

UK Map