Mycosphaerella ulmi

Mycosphaerella ulmi is a fungal plant pathogen that affects the leaves of Elm species. 

Please provide photographs and state the host grass species. Specimen should be microscopically examined.

Mycosphaerella ulmi may be found wherever the host Elm species occur.

When Elm is in leaf – summer and autumn.

True status in Britain is difficult to determine due to lack of records.

Status in Leicestershire and Rutland not known.