Phylum: Ascomycota	Class: Leotiomycetes
Order: Erysiphales	Family: Erysiphaceae
Species: Sawadaea bicornis (Wallr.) Homma

Synonyms:

Alphitomorpha bicornis Erysiphe aceris Leptothyrium ptarmicae Oidium aceris Sawadaea aceris Uncinula aceris Uncinula bicornis

Common Name:

A Powdery Mildew

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This distribution map was produced using DMap

On Field Maple, Acer campestre

Photographer: © David Mitchel

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View this species in its UK context on the NBN Atlas

Associated Species (where recorded) & number of records: Acer pseudoplatanus (2) Acer (1)

Habitat (where recorded) & number of records:

Substrate (where recorded) & number of records: Leaf (2)

Months recorded in & number of records: August (1) September (10) October (1)