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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Bluish-green, hairy rosette galls on the petioles and buds of what is likely to be Pycnanthemum virginianum. Galls are composed of overlapping leafy bracts. The tips of the bracts are red. Host is assumed to be Pycnanthemum virginianum based on range.
Unless noted otherwise in the ID Notes, observations of this gall are collected in the Observation Field Gallformers Code with value p-virginianum-fuzzy-rosette-gall on iNaturalist. You can view them here: