Section Protobalanus

The intermediate oaks. Southwest USA and northwest Mexico. Styles short, acorns mature in 18 months, very bitter, inside of acorn shell woolly.

Quercus cedrosensis — Cedros Island oak — # California + Baja California

Quercus chrysolepis — canyon live oak — # southwestern North America

Quercus palmeri — Palmer oak — # California, western Arizona

Quercus tomentella — island oak — # offshore islands of California + Baja California

Quercus vacciniifolia — huckleberry oak — # southwestern North America