The following is an incomplete listing of oaks found in the american southwest:
Ajo Mountain Oak, Ajo Mountain Scrub Oak: Quercus ajoensis (Synonyms: Quercus turbinella sssp. ajoensis; Quercus turbinella var. ajoensis)
Arizona White Oak: Quercus arizonica (Synonym: Quercus sacame)
Canyon Live Oak, Maul Oak: Quercus chrysolepis (Synonym: Quercus chrysolepis var. nana)
Desert Scrub Oak, Muller Oak, Muller's Oak: Quercus cornelius-mulleri
Emory Oak: Quercus emoryi (Synonym: Quercus emoryi)
Gambel Oak: Quercus gambelii (Synonyms: Quercus douglasii var. gambelii; Quercus gambelii var. gunnisonii; Quercus lesueuri; Quercus marshii; Quercus novomexicana; Quercus undulata var. gambelii; Quercus utahensis)
Havard Oak: Quercus havardii
Silverleaf Oak: Quercus hypoleucoides (Synonym: Quercus hypoleuca)
Mexican Blue Oak, Sonoran Blue Oak: Quercus oblongifolia
Palmer Oak: Quercus palmeri (Synonym: Quercus dunnii)
Pungent Oak: Quercus pungens (Synonym: Quercus undulata var. pungens)
Netleaf Oak: Quercus rugosa (Synonyms: Quercus ariifolia; Quercus diversicolor; Quercus durangensis; Quercus reticulata; Quercus rhodophlebia; Quercus vellifera)
Toumey Oak: Quercus toumeyi
Grey Oak, Sonoran Scrub Oak, Shrub Live Oak: Quercus turbinella (Synonym: Quercus dumosa var. turbinella)
Sonoran Oak: Quercus viminea