Nigel Cattlin / Powdery mildew (Erysiphales) developing on Sweet William (Dianthus barbatus) leaves. Berkshire, England, UK. October.

Nigel Cattlin / Powdery mildew (Erysiphales) developing on Sweet William (Dianthus barbatus) leaves. Berkshire, England, UK. October.

Nigel Cattlin / Black spot disease and chlorosis on Rose (Rosa sp) leaf caused by Fungus (Diplocarpon rosae). Berkshire, England, UK. August.

Nigel Cattlin / Lupin (Lupinus sp) leaves with powdery mildew caused by Fungus (Erysiphales). Cultivated in garden, Berkshire, England, UK. June.

Nigel Cattlin / Grey mould (Botrytis cinerea) spotting lesions on Rose (Rosa sp) flower caused by damp weather. Berkshire, England, UK. September.

Nigel Cattlin / Rose (Rosa sp), aborted bud diseased with Grey mould (Botrytis cinerea) after damp weather. Berkshire, England, UK. September.

Nigel Cattlin / Apple (Malus domestica) fruits infected with Brown rot (Monilinia spp.). Berkshire, England, UK. September.

Nigel Cattlin / Powdery mildew (Podosphaera pannosa) on Rose (Rosa sp) buds. Cultivated in garden, Berkshire, England, UK. June.

Nigel Cattlin / Powdery mildew (Podosphaera pannosa) on Rose (Rosa sp) leaves. Cultivated in garden, Berkshire, England, UK. June.

Robert Thompson / Jelly drops (Ascocoryne sarcoides) fungus growing on cut tree stumpPeatlands Park, Portadown, Co. Armagh, Northern Ireland. November

Robert Thompson / Jelly drops (Ascocoryne sarcoides)fungus on log, Peatlands Park, Portadown, Co. Armagh, Northern Ireland. November

Andy Sands / Spatula Fungi (Spathularia flavida) A small fungi that fruits under Larch trees, Buckinghamshire, England, UK, October