This name is a synonym of Acer opalus subsp. obtusatum (Waldst. & Kit. ex Willd.) Gams.
The record derives from WCSP (in review)
(data supplied on 2012-03-26)
which reports it as a synonym with original publication details: Sp. Pl. 4: 984 1806.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:781421-1.
This name was in version 1 of The Plant List, record kew-2616098.