Finally got to see it!
The last few for the season
Unusual white morph
Tiger Woolly Bear?
Our Lord's Candle
California Lilac or Mountain Lilac
I know some folks have had this oak IDed. So, yeah, I am still waiting on a knowledgeable naturalist to verify my observations of this species.
A bluish tint to the flat leaves of this oak makes it stand out in an Oak Grove of mostly Quercus agrifolia and a few hybrids.