Creeping Thistle Rust - Puccinia punctiformis
A red brown rust fungus that is particularly common on the underside of the leaves of Creeping Thistle.
Wherever Creeping Thistle (Cirsium arvense) is present.
May to August.
It overwinters as mycelium in the root stock and can kill the thistle plant before flowering. It can be transmitted by insects.
Common and widespread in Britain.
Common in Leicestershire and Rutland.
Leicestershire & Rutland Map
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Yellow squares = NBN records (all known data)
Coloured circles = NatureSpot records: 2020+ | 2015-2019 | pre-2015