Arum Rust - Puccinia sessilis
Description
This rust fungus commonly infects Lords-and-Ladies (Arum maculatum) and Ramsons (Allium ursinum) causing yellow to orange circular patches on leaves. On the underside it produces raised orange aecia commonly covered in spores.
Identification difficulty
Habitat
Where the host plants occur.
When to see it
When the host plants are in leaf.
UK Status
Widespread and fairly frequent in Britain.
VC55 Status
Status in Leicestershire and Rutland not known.
martindgrimesPriors Coppice26 May 2016
Graham CalowBurbage, Elmesthorpe Plantation04 May 2019aecial stage of rust on underside of leaf
Graham CalowBurbage, Elmesthorpe Plantation04 May 2019Fungal rust on Lords-and-Ladies
Peter SmithOaklands Nature Area18 April 2017
Peter SmithThurcaston06 May 2018Rust on underside of ramsons leaf
Peter SmithOaklands Nature Area18 April 2017
Leicestershire & Rutland Map
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UK Map
Peter SmithThurcaston06 May 2018Rust on underside of ramsons leaf
martindgrimesPriors Coppice26 May 2016
martindgrimesPriors Coppice26 May 2016
Peter SmithOaklands Nature Area18 April 2017
Peter SmithThurcaston06 May 2018Rust on underside of ramsons leaf
David NichollsWestern Golf Course05 May 2018
