Quercus ×nipponica Koidz.
Full name:
Quercus ×nipponica Koidz., "(1912)" is an accepted name.
Infrageneric Classification:
Subgenus Quercus, Section Quercus
Parentage:
Q. dentata Thunb. × Q. serrata Murray
Natural Distribution:
FAR EAST ASIA: KOREA, JAPAN: (?)