Peronospora aparines
A downy mildew on Cleavers (Galium aparine). A greyish brown mildew is under the leaves, and the whole plant may be pale and yellowish.
host 
Photograph the host plant and the mildew under a leaf; ensure you have noted the host plant in your comments
on Cleavers (Galium aparine): hedgrerows, roadsides, field edges, waste ground, etc,
sue
Ratby, footpath to Thornton
01 April 2026
on Cleavers; affected plants are yellowed
sue
Leicester, Welford Rd Cemetery
15 April 2026
sue
Heath End, South Wood, old tramway
14 April 2026
sue
Heath End, South Wood, old tramway
14 April 2026
sue
Ratby, footpath to Thornton
01 April 2026
mildew under leaves
sue
Ratby, footpath to Thornton
01 April 2026
sue
Heath End, South Wood, old tramway
14 April 2026
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Species profile
- Species group:
- fungoid
- Kingdom:
- Chromista
- Order:
- Peronosporales
- Family:
- Peronosporaceae
- Records on NatureSpot:
- 3
- First record:
- 01/04/2026 (Timms, Sue)
- Last record:
- 15/04/2026 (Timms, Sue)
Total records by month
% of records within its species group
10km squares with records
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Latest images
Latest records
sue
Leicester, Welford Rd Cemetery
15 April 2026
sue
Leicester, Welford Rd Cemetery
15 April 2026
sue
Heath End, South Wood, old tramway
14 April 2026
sue
Ratby, footpath to Thornton
01 April 2026
