Possibly yellow-gilled gymnopilus or painted suillus? Growing on a dead log that is used as a fence.
Volva remnants in one complete circle on cap smaller one not pictured right next to it was identical to pictures of spring coccora
Growing with redwoods
Growing right at the base of a pine. Mixed pine and oak wooded area. Spring Coccora?
There were a lot of these around an old oak stump. Harmon canyon