This name is a synonym of Carpinus pubescens var. firmifolia (H.J.P.Winkl.) Hu.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 34341) with original publication details: Bull. Fan Mem. Inst. Biol. n.s., 1: 144 1948.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:107959-1.
This name was in version 1 of The Plant List, record kew-34341, and has not been changed.