Plasmopara nivea s. lat.
A downy mildew occurring on a range of umbellifers, including Pignut, Alexanders, Hemlock Water Dropwort and Ground-elder.
Oher species of Downy Mildew occur on umbellifers, including Plasmopara chaerophylli on Cow Parsley and Plasmopara angelicae on Angelica.
host 
Photograph the mildew on the host plant, both sides of leaf; ensure you have noted the host plant species in your comments.
on some umbellifers
sue
Burbage Wood
05 May 2026
Alexanders
sue
Burbage Wood
05 May 2026
Alexanders
sue
Burbage Wood
05 May 2026
sporangia
sue
Burbage Wood
05 May 2026
downy mildew on Alexanders leaf undersides
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Species profile
- Species group:
- fungoid
- Kingdom:
- Chromista
- Order:
- Peronosporales
- Family:
- Peronosporaceae
- Records on NatureSpot:
- 1
- First record:
- 05/05/2026 (Timms, Sue)
- Last record:
- 05/05/2026 (Timms, Sue)
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% of records within its species group
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