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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Causing leaf curl and leaf blister and any other symptoms associated with T. japonica on Alnus species other than A. rubra and A. japonica.
Unless noted otherwise in the ID Notes, observations of this gall are collected in the Observation Field Gallformers Code with value a-incana-near-japonica-on-other-Alnus-species on iNaturalist. You can view them here: