Puccinia hieracii var. piloselloidearum

Description

The rust fungus Puccinia hieracii var. piloselloidearum affects only Mouse-ear-hawkweed (Pilosella) species. It can cause severely affected plants to become weaker and is classed as a galling agent.

Identification difficulty
Recording advice

Unless identified by a recognised expert, a photo is required. If the photo doesn't show the key ID features then in the comments box describe the size and identifying characters you have observed. If at all possible, ask an expert to examine the affected material.

Habitat

Wherever Mouse-ear-hawkweed (Pilosella) species occur.

When to see it

The rust may be seen whenever Mouse-ear-hawkweed (Pilosella) species are in leaf.

UK Status

It seems to be widespread in Britain, but lack of records makes it difficult to determine the exact status.

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