This name is a synonym of Syringa villosa subsp. wolfii (C.K.Schneid.) Jin Y.Chen & D.Y.Hong.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 356270) with original publication details: Bot. Mag. (Tokyo) 32: 132 1918.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:611114-1.
This name was in version 1 of The Plant List, record kew-356270.