Quercus ×costae C.Vicioso
Full name:
Quercus ×costae C.Vicioso, Bol. Inst. Forest. Invest. Exp. No. 51: 84. 1950 is a synonym of Quercus ×streimii Heuff., Z. Natur.-Heilk. Ungarn, 1(13): 97 (1850).
Infrageneric Classification:
Subgenus Quercus, Section Quercus