Rust Fungus - Puccinia urticata

Description

Puccinia urticata is a rust fungus which develops on the stems and leaves of Common (Stinging) Nettle or Small (Annual) Nettle. It often starts as small orange blisters or swellings. Close examination may reveal the pinhead-like fruiting bodies of the fungus.

Identification difficulty
Habitat

Anywhere that the host plant grows

Life History

The spores may spread to other nettles or to various sedges where the telial stage of the lifecycle continues without causing a gall to form.

UK Status

Common and widespread in Britain.

VC55 Status

Fairly common in Leicestershire and Rutland.

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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