Quercus Garryana

From Oregon Flora, Gardening with Natives:

Oregon white oak is an iconic staple in local forests and landscapes. It has round-lobed leaves and ivory-tinted bark. Mature trees will take the classic stout and spreading oak stance when growing in open spaces, but they can also take on a shrubbier habit in a closed canopy. An amiable host to holiday mistletoe bundles and a pleasure to look at in fall with its gold to copper foliage, this tree is enjoyable throughout the year. This tree grows to height of about 40 to 90 feet.