|Quercus ×helvetica Thell. (1916)|
Subgenus Quercus, section Quercus (the white oaks)
Q. petraea (Matt.) Liebl. × Q. pubescens Willd. × Q. robur L.
Given as illegitimate in the World Checklist and Bibliography of Fagales (1998), which it is not. Gandoger's prior use of the name (1890) is ruled invalid being in an oppressed work (ICBN App.VI)
|Synonyms in this Database|
Quercus ×thellungii A. Camus (1939) nom. illegit.