Canyon Live Oak, Maul Oak: Quercus chrysolepis (Synonym: Quercus chrysolepis var. chrysolepis)
Brewer's Oak: Quercus garryana var. breweri (Synonym: Quercus breweri)
Garry Oak, Oregon White Oak: Quercus garryana var. garryana
Hybrid Oak: Quercus garryana var. breweri x Quercus sadleriana
California Black Oak: Quercus kelloggii
Oracle Oak: Quercus x morehus (Synonym: Quercus moreha)
Pin Oak, Swamp Spanish Oak: Quercus palustris
English Oak: Quercus robur
Northern Red Oak, Red Oak: Quercus rubra
Deer Oak, Sadler Oak: Quercus sadleriana
Huckleberry Oak: Quercus vaccinifolia