Quercus cinerea [incana]
Bud galls
Green, smooth, bursting out of bud in fall, not secreting honeydew.
Quercus laurifolia
Bud galls
Green, smooth, 4-6 mm in dia, in fall, not secreting honeydew.
Quercus myrtifolia, phellos
Bud galls
Small, smooth, green, not secreting honeydew, in fall.
- LH Weld: (1959) Cynipid galls of the eastern United States©
Reference: https://www.biodiversitylibrary.org/item/273718#page/61/mode/1up