This name is a synonym of Micromeria marginata (Sm.) Chater.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym and as an illegitimate name (record 127354) with original publication details: Labiat. Gen. Spec. 379 1834.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:451859-1.
This name was in version 1 of The Plant List, record kew-127354, and has not been changed.