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
“
Light-green globular galls on the upper side of leaves of an undetermined Ulmus sp. Sparsely short-hairy, not obscuring surface. Observed in Illinois in May.
Unless noted otherwise in the ID Notes, observations of this gall are collected in the Observation Field Gallformers Code with value ulmus-globular-leaf-gall on iNaturalist. You can view them here: