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 tapered stem swelling, covered in short hairs, on Helianthus pauciflorus. Observed in Illinois in July and Manitoba in August.
Unless noted otherwise in the ID Notes, observations of this gall are collected in the Observation Field Gallformers Code with value h-pauciflorus-stem-swelling on iNaturalist. You can view them here: