Puccinia phragmitis

Description

The fungus Puccinia phragmitis affects Rumex species causing reddish purple blotches with grey cup shaped clusters. Later stages occur on Phragmites; the uredinia rupture the upper and lower surfaces of leaves causing dark brown patches often surrounded by an area of yellowing of the leaf.

Identification difficulty
Habitat

Where the host plants occur.

When to see it

When the host plants are in leaf.

Life History

First stages on Rumex species, later stages on Phragmites.

UK Status

Widespread in Britain.

VC55 Status

Status in Leicestershire and Rutland not known.

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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