Quercus ×heuffelii Simonk.
Full name:
Quercus ×heuffelii Simonk., Magyar Növényt. Lapok 7: 63. 1883 is a synonym of Quercus ×haynaldiana nothosubsp. haynaldiana.
Infrageneric Classification:
Subgenus Quercus, Section Quercus