Beech and oaks.
A wide range of broadleaved tree species.
Found usually on the main stem and scaffold structure of the tree.
Annual . A thoroughly creamy-white appearance developing a greyish colour with age. Individual fruiting bodies may become quite large though may also be found in groups of smaller individuals. Upper surface is rough and felty and sometimes cracks.
Pleurotus ostreatus (smooth upper surface).
Considered saprotrophic. Attributed to a white rot of the wood substrate. Indicative of areas of dysfunction on living trees.