Ramularia gei
A white mould affecting Avens - plants in the Geum genus. Pale leaf-spots become brown with lighter centres; greyish tufts of conidia emerge from both sides of the leaf.
host 
Photograph the mould on both sides of the host leaf; ensure you have noted the host plant species in your comments
on Avens (Geum), including hybrids and varieties
shaded places, gardens
sue
Bagworth, nut wood
27 April 2026
brown spots with purple border, Geum urbanum (upper side of leaf)
sue
Bagworth, nut wood
27 April 2026
white conidia emerging from stomata, leaf undersides
sue
Bagworth, nut wood
27 April 2026
Conidia - x 100, cotton blue stain
sue
Bagworth, nut wood
27 April 2026
Conidia, x400, Cotton blue
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Species profile
- Species group:
- fungus
- Kingdom:
- Fungi
- Order:
- Mycosphaerellales
- Family:
- Mycosphaerellaceae
- Records on NatureSpot:
- 1
- First record:
- 27/04/2026 (Timms, Sue)
- Last record:
- 27/04/2026 (Timms, Sue)
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% of records within its species group
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