This name is a synonym of Fraxinus dipetala Hook. & Arn..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 367410) with original publication details: Proc. Calif. Acad. Sci. 5: 18 1873.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:608740-1.
This name was in version 1 of The Plant List, record kew-367410, and has not been changed.