This name is a synonym of Acer saccharum subsp. grandidentatum (Torr. & A.Gray) Desmarais.
The record derives from WCSP (in review)
(data supplied on 2012-03-26)
which reports it as a synonym with original publication details: Fl. N. Amer. 1: 249 1839.
This name was in version 1 of The Plant List, record kew-2615689, and has not been changed.