Small deciduous tree of eastern and central United States having dark green lyrate pinnatifid leaves and tough moisture-resistant wood used especially for fence posts.

synoniemen: box white oak, brash oak, post oak, Quercus stellata.

Medium-sized evergreen of southwestern United States and northwestern Mexico with oblong leathery often spiny-edged leaves.

synoniemen: canyon live oak, canyon oak, maul oak, Quercus chrysolepis.