This name is a synonym of Frangula rubra subsp. nevadensis (A.Nelson) Kartesz & Gandhi.
The record derives from WCSP (in review)
(data supplied on 2012-03-23)
which reports it as a synonym with original publication details: Proc. Biol. Soc. Wash. 18: 174 1905.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:219027-2.
This name was in version 1 of The Plant List, record kew-2523087, and has not been changed.