These two gilled mushrooms were growing in a Bigleaf Maple about 15' above the ground. The cap of the larger one was about 4".
Growing on cut firewood (beech tree).
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.