Does anyone know what this growth is on the oak tree, please/
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A growth caused by a small wasp in the devloping acorn
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Supporting FEET Conservation & Biodiversity Recording
Its a good time for Galls . There about 5-6 others you can bag at the moment Alder Tongue Gall (Fungus) Oak Apple Gall , Oak Marble Gall Oak Spangle Gall and a few others Happy snapping
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OS grid ref: SP140900