This name is a synonym of Rhamnus schneideri var. manshurica (Nakai) Nakai.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 27501339) with original publication details: Bot. Mag. (Tokyo) 31(369): 99 1917.
This name was in version 1 of The Plant List, record tro-27501339, and has not been changed.