Celandine Clustercup Rust - Uromyces dactylidis


Most easily seen when the bright orange 'cups' appear on the leaves (underside) and petioles of Lesser Celandine.

Identification difficulty

Grows on various members of the Ranunculaceae family, especially on Lesser Celandine.

When to see it

Spring and summer

Life History

Alternate hosts are Dactylis, Poa and Festuca rubra.

UK Status

Widespread and fairly frequent in Britain.

VC55 Status

Probably fairly frequent, but under recorded 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