Chroogomphus ochraceus  (Kauffman) Miller (1964)

This is one of the most common Pine associates in California -- typically I see it under 3-needle Pines. The most obvious characteristic of this species are the olive colors on the pileus that later on gives way to yellow/ochraceus.

Pushing sideways froma  tree

C. vinicolor (L) & C. ochraceus (R) Thinner walled cystidia than C. vinicolor.