Knopper gall of the gall wasp Andricus quercuscalicis. Dorset, UK

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Size: 4928px × 3264px
Photo credit: © Colin Varndell / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: abnormal, acorn, andricus, gall, growth, knopper, leaves, oak, quercuscalicis, wasp