Creeping Thistle Rust - Puccinia punctiformis

    Description

    A red brown rust fungus that is particularly common on the underside of the leaves of Creeping Thistle.

    Habitat

    Wherever Creeping Thistle (Cirsium arvense) is present.

    When to see it

    May to August.

    Life History

    It overwinters as mycelium in the root stock and can kill the thistle plant before flowering. It can be transmitted by insects.

    UK Status

    Common and widespread in Britain.

    VC55 Status

    Common in Leicestershire and Rutland.

    Leicestershire & Rutland Map

    UK Map