⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record kew-2616031, and has not been changed.
This name is a synonym of Acer negundo subsp. californicum (Torr. & A.Gray) Wesm..
The record derives from WCSP (in review) which reports it as a synonym with original publication details: Gard. & Forest 4: 148 1891.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:1826-2.