This name is a synonym of Acer macrophyllum Pursh.
The record derives from WCSP (in review)
(data supplied on 2012-03-26)
which reports it as a synonym and as an illegitimate name with original publication details: New Fl. 1: 48 1836.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:781434-1.
This name was in version 1 of The Plant List, record kew-2616154, and has not been changed.