The record derives from WCSP
(data supplied on )
which reports it as a synonym and as an invalid name (record
174861) with original publication details: Acta Bot. Acad. Sci. Hung. 16: 344 1970 publ. 1971.
Full publication details for this name can be found in IPNI:
This name record (from WCSP) was not included in version 1 of The Plant List. It is possible the same name was included from a different data source, to check this you can search for Quercus robur in version 1 of The Plant List.