Quercus chrysolepis, vacciniifolia
Stem galls
Lenticular, smooth, tan, hard, bare, detachable, single. Mono. Fig 79.
Fig. 79. Unknown gall. Q. chrysolepis. Occurs on Q. vaccinifolia also. Tan, hard, smooth. Starts to develop in August (Kyburz). Monothalamous.
”- LH Weld: (1957) Cynipid Galls of the Pacific Slope©
Reference: https://babel.hathitrust.org/cgi/pt?id=coo.31924018313555&view=1up&seq=82