Sorrel Rust - Puccinia oxalidis

Alternative names
Oxalis Rust

A bright orange rust fungus affecting members of the Sorrel family (Oxalis), especially visible on the underside of the leaves.

Identification difficulty

Wherever the host species grow.

When to see it

When oxalis plants are in leaf, but probably best looked for late March and during April.

Life History

The aecial stage can be found on Berberis repens.

UK Status

Widespread in England and Wales but not well recorded.

VC55 Status

There are a number of records for this species in Leicestershire and Rutland.

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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