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.
Gallformers ID Notes
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Near-spherical, green, sparsely long-hairy galls of the anthers alone or in scattered clusters on catkins of Quercus phellos. Similar to Callirhyis parva on Quercus imbricaria. Observed in New York in May.
Unless noted otherwise in the ID Notes, observations of this gall are collected in the Observation Field Gallformers Code with value q-phellos-hairy-flower-gall on iNaturalist. You can view them here: