This name is a synonym of Carpinus londoniana var. lanceolata (Hand.-Mazz.) P.C.Li.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 34370) with original publication details: Oesterr. Bot. Z. 80: 338 1931.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:107974-1.
This name was in version 1 of The Plant List, record kew-34370, and has not been changed.