This name is a synonym of Thymus herba-barona Loisel..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 29166) with original publication details: Nom. Bot. Hort. 144 1840.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:445433-1.
This name was in version 1 of The Plant List, record kew-29166, and has not been changed.