This name is a synonym of Aethionema saxatile subsp. ovalifolium (DC.) Nyman.
The record derives from WCSP (in review)
(data supplied on 2012-03-23)
which reports it as a synonym with original publication details: Broteria, Sér. Trimestr. 5: 114 1936.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:277208-1.
This name was in version 1 of The Plant List, record kew-2624713.