| Phylum: Ascomycota | Class: Leotiomycetes |
| Order: Helotiales | Family: Erysiphaceae |
| Species: Erysiphe alphitoides (Griffon & Maubl.) U. Braun & S. Takam. | |
| Synonyms: |
Erysiphe quercina Llwydni Blodiog y Dderwen Microsphaera alphitoides Microsphaera quercina Microsphaera quercinum Oak Mildew Oak Powdery Mildew Oidium alphitoides Oidium quercinum |
| Common Name: | Oak Mildew |
| A Powdery Mildew | |
| Click on the dots to get a species list for the 10km square that it represents. | |
| This distribution map was produced using DMap | |
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On Oak, Quercus sp. | 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: Quercus (14) Quercus petraea (4) Quercus robur (3) |
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| Habitat (where recorded) & number of records: Woodland: mixed, semi-natural (4) Parkland and scattered trees: mixed (3) Maritime cliff and slope: coastal grassland (1) Parkland and scattered trees: broadleaved (1) Woodland and scrub (1) Woodland: broadleaved, plantation (1) Woodland: broadleaved, semi-natural (1) Woodland: mixed, plantation (1) |
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| Substrate (where recorded) & number of records: Leaf (9) Living leaf (9) |
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| Months recorded in & number of records: January (1) June (1) July (6) August (15) September (30) October (21) November (1) |
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