This name is a synonym of Carpinus × schuschaensis H.J.P.Winkl..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 34358) with original publication details: Pflanzenr. IV, 61: 40 1904.
This name was in version 1 of The Plant List, record kew-34358.