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.
Cynipid galls of the southwest
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Mimosa biuncifera [aculeaticarpa]
Globular, spiny, 5 mm. in dia., scattered along stem. Probably chalcid gall.
Unless noted otherwise in the ID Notes, observations of this gall are collected in the Observation Field Gallformers Code with value m-aculeaticarpa-spiny-stem-galls on iNaturalist. You can view them here: