On a coast live oak (Quercus agrifolia) in the oak riparian habitat at Lobos Creek.
On a Walnut log.
Numerous small (they had been harvested recently) Oyster Mushrooms were growing on the limbs of a long-dead oak.
Pleurotus is a genus of gilled mushrooms which includes one of the most widely eaten mushrooms, P. ostreatus. Species of Pleurotus may be called oyster, abalone, or tree mushrooms, and are some of the most commonly cultivated edible mushrooms in the world.Pleurotus fungi have been used in mycoremediation of pollutants such as petroleum and polycyclic aromatic hydrocarbons.