Podosphaera fugax
A powdery mildew affecting some cranesbills (Geranium species).
Neoerysiphe geranii also affects some speciers of cranesbill - ref to host list in Woods et al (2024) for further details
host/microscopy 
Photograph the mildew on the host plant, and add host species to the comments for your record. Depending on host, microscopic examination may be needed to separate from similar species.
Cranesbills (Geranium species)
Sally Cunningham
Arbor Road near railway bridge
09 February 2026
Sally Cunningham
Arbor Road near railway bridge
09 February 2026
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Yellow squares = NBN records (all known data)
Coloured circles = NatureSpot records: 2025+ | 2020-2024 | pre-2020
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Species profile
- Species group:
- fungus
- Kingdom:
- Fungi
- Order:
- Helotiales
- Family:
- Erysiphaceae
- Records on NatureSpot:
- 12
- First record:
- 02/08/2018 (lemmon, roy)
- Last record:
- 09/02/2026 (Cunningham, Sally)
Total records by month
% of records within its species group
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