This name is a synonym of Rhamnus alpina subsp. glaucophylla (Sommier) Tutin.
The record derives from WCSP (in review)
(data supplied on 2012-03-23)
which reports it as a synonym with original publication details: Nuovo Giorn. Bot. Ital. n.s., 1: 19 1894.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:718348-1.
This name was in version 1 of The Plant List, record kew-2522960, and has not been changed.