Dipterous galls on Meadowsweet (Filipendula ulmaria)
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I am able to agree because there's good stuff on the Web -
Oh, and well... Robert and Peter are pretty safe bets!
I am here because I research all relevant posts on iSpot before posting my own!
THREE MARINE PROJECTS
Lat/Lng: 51.9, -2.2
OS grid ref: SO8827