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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Flower-bud clusters containing small, white cecidomyiid larva. Galled flowers are slightly swollen. Observed in Iowa in August.
Unless noted otherwise in the ID Notes, observations of this gall are collected in the Observation Field Gallformers Code with value a-altissima-flower-gall on iNaturalist. You can view them here: