"Quercus hypoleucoides, the silverleaf oak or the whiteleaf oak is a North American species of trees or shrubs in the beech family. It grows in the southwestern United States and northern Mexico.Quercus hypoleucoides, though usually seen as a shrub, can be found to be a full-sized tree, 30 feet (9 meters) tall in areas where it receives lots of water."@en . . "*Quercus confertifolia (Torr.)" . "*Quercus hypoleuca (Engelm. 1876 not Miq. 1858 nor Kotschy ex A.DC. 1864 nor Gand. 1890)" . . . . . . . . . .