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 2033) with original publication details: Hort. Brit. 239 1830.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:444221-1.
This name was in version 1 of The Plant List, record kew-2033, and has not been changed.