Similar to other sexgen galls in this genus. Sexgen galls in this genus are not well described, so species is likely not discernable.
On Oregon White Oak. Russo page 113; also see:
https://www.inaturalist.org/observations/78437104
Gall on Oregon oak (Quercus garryana)
Gall on Oregon oak (Quercus garryana)
Gall on Oregon oak (Quercus garryana)
Looks like a duck
Gall on Oregon oak (Quercus garryana)
Gall on Oregon oak (Quercus garryana)
Gall on Oregon oak (Quercus garryana)
Gall on Oregon oak (Quercus garryana)
Gall on Oregon oak (Quercus garryana)
(Are they mostly not pinched yet?)
I found this dragonfly on the ground in the parking lot by the mall. It was the middle of the day, and it was scorching hot on the blacktop. The dragonfly was just laying there, on the ground, suffering, and probably about to die of heatstroke. I picked the dragonfly up and carried it to a safe, cool, shady place on a leaf by the river. I saved its life.
Fast runner