Peronospora lamii
Peronospora lamii
Description
The downy mildew affects Lamium species (Dead-nettles). The leaves have yellowish or brownish spots, and the underside has greyish-purple down.
Identification difficulty
host 
Recording advice
Photograph both sides of the leaf and the downy mildew on the host plant; ensure you have noted the host species in your comments
Habitat
on dead-nettle (Lamium)
sue
Croft Hill (E)
23 March 2026
red dead-nettle; mould on leaf undersides
sue
Croft Hill (E)
23 March 2026
yellow-green patches on top of leaves
sue
Croft Hill (E)
23 March 2026
sue
Croft Hill (E)
23 March 2026
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MAP KEY:
Yellow squares = NBN records (all known data)
Coloured circles = NatureSpot records: 2025+ | 2020-2024 | pre-2020
UK Map
Additional images
No additional images available for this species.