⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record tro-27500177, and has not been changed.
This name is a synonym of Frangula californica subsp. occidentalis (Howell) Kartesz & Gandhi.
The record derives from Tropicos which reports it as a synonym (record 27500177) with original publication details: Rancho Santa Ana Bot. Gard. Monogr., Bot. Ser. 1: 66 66 1938.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:218956-2.