Report from the OAK ICRA checklist

Quercus oajacana Liebm., (1854) Quercus obconica Y. C. Hsu ex Z. K. Zhou, (1998) nom. illegit. Quercus oblongata D. Don, (1825) stat. dub. Quercus oblongifolia R. Br. ter., (1871) Quercus oblongifolia Torr., "(1853)" Quercus oblongifolia 'Arabella Blue' Unpublished Quercus obovalifolia E. Fourn. ex Trel., (1924) Quercus obovata Bunge, (1833) Quercus obovatifolia C.C. Huang, "(1978)" Quercus obscura Trel., (1924) nom. illegit. Quercus obscura Seemen, (1897) Quercus obscurirhachis Trel., (1934) Quercus obtusa (Willd.) Ashe, (1918) Quercus obtusanthera Trel., "(1934)" stat. dub. Quercus obtusata Bonpl., "(1809)" Quercus obtusiloba D. Don, (1825) Quercus obtusiloba Michx., (1801) Quercus occidentalis Gay, (1856) Quercus ochroesthes E. F. Warb., (1939) Quercus ocoteifolia Liebm., (1854) Quercus oerstediana R. Br. ter., (1871) Quercus oglethorpensis W. H. Duncan, "(1940)" Quercus oidocarpa Korth., "(1844)" Quercus 'Ojo de Agua' Unpublished Quercus oleoides Schltdl. & Cham., "(1830)"