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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A hairy integral gall protruding above and below the leaf of Planera aquatica, alone or in small clusters always around the midrib.
Unless noted otherwise in the ID Notes, observations of this gall are collected in the Observation Field Gallformers Code with value p-aquatica-hairy-bladder-gall on iNaturalist. You can view them here: