non Quercus gracilis Korth. in Verh. Nat. Gesch. Ned. Bezitt., Bot.: 207. 15 Feb 1844 nec Quercus gracilis Lange in Vidensk. Meddel. Naturhist. Foren. Kjøbenhavn 1861: 36. 1861 non Quercus gracilis Newb. in Proc. U. S. Natl. Mus. 1882, 5: 504. 28 Feb 1883 nec Quercus gracilis Boitz. in Trudy Vsesoyuzn. Nauchno-Issled. Geol. Inst., Nov. Ser. 141(1): 269. 4 Oct 1966 non Quercus gracilis (Rehder & E.H.Wilson) Wuzhi in Fl. Hupehensis 1: 116. 1976.