Crown Rust - Puccinia coronata

Description

Puccinia coronata is a rust fungus with orange aecia which galls the leaf blade and petioles of Buckthorn and Alder Buckthorn causing them to become twisted and distorted.

Identification difficulty
Habitat

May be found where Buckthorn and Alder Buckthorn are in leaf.

When to see it

Late spring to early autumn.

UK Status

Widespread and fairly frequent in Britain.

VC55 Status

Thought to be fairly frequent in Leicestershire and Rutland in areas where the host species are present.

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Leicestershire & Rutland Map

MAP KEY:

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

UK Map