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
Prominent red leaf blister galls composed of masses of small globules, elevated above the lamina of leaves of an undetermined Betula sp, possibly Betula papyrifera or cordifolia. Observed in New Brunswick in June.
Unless noted otherwise in the ID Notes, observations of this gall are collected in the Observation Field Gallformers Code with value betula-tuberculate-leaf-gall on iNaturalist. You can view them here: