Erysiphe tortilis
Erysiphe tortilis is a powdery mildew affecting leaves and other parts of our native Dogwood Cornus sanguinea. It also affects the two non-native white-berried species, Cornus alba and Cornus sericea, which are commonly planted in parks and landscaped areas.
Other Cornus species may be affected by Erysiphe pulchra
host 
Photograph on host plant, and add host species to the comments for your record
On Dogwoods
Summer to early autumn.
martindgrimes
Lyndon NR
02 June 2016
on dogwood
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Yellow squares = NBN records (all known data)
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Species profile
- Species group:
- fungus
- Kingdom:
- Fungi
- Order:
- Helotiales
- Family:
- Erysiphaceae
- Records on NatureSpot:
- 19
- First record:
- 02/06/2016 (Grimes, Martin)
- Last record:
- 24/07/2025 (lemmon, roy)
Total records by month
% of records within its species group
10km squares with records
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