Our ID Notes may contain important tips necessary for distinguishing this gall from similar galls and/or important information about the taxonomic status of this gall inducer.
Cynipid Galls of the Pacific Slope
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Quercus chrysolepis
"Root" galls
Single, globular, dia 5 mm, in cluster of 2-8, fresh May 20 at Baird CA
Unless noted otherwise in the ID Notes, observations of this gall are collected in the Observation Field Gallformers Code with value q-chrysolepis-globular-root-cluster on iNaturalist. You can view them here: