Puccinia poarum

Description

The rust fungus Puccinia poarum galls the leaves of the alternate host, Colt's-foot (Tussilago farfara). The underside of the leaves have thickened areas bearing orange-red aecia and spermogonia. 

The primary host is the meadow-grass, Poa, bearing yellow uredinia mainly on the leaf upperside and brown telia mainly on the underside.

Similar Species

Coleosporium tussilaginis also affects Coltsfoot, but is not a gall-causer

Identification difficulty
UK Status

Widespread and locally frequent in Britain.

VC55 Status

Status in Leicestershire and Rutland not known.

Leicestershire & Rutland Map

MAP KEY:

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

UK Map

Species profile

Species group:
Fungi
Kingdom:
Fungi
Order:
Pucciniales
Family:
Pucciniaceae
Records on NatureSpot:
20
First record:
14/08/2016 (Grimes, Martin)
Last record:
28/08/2023 (Nicholls, David)

Total records by month

% of records within its species group

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