⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record kew-2616043, with some changes.
This name is a synonym of Acer negundo subsp. mexicanum (DC.) Wesm..
The record derives from WCSP (in review) which reports it as a synonym with original publication details: Revis. Gen. Pl. 1: 146 1891.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:1835-2.