This name is a synonym of Clinopodium serpyllifolium subsp. barbatum (P.H.Davis) Bräuchler.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 127221) with original publication details: Kew Bull. 6: 77 1951.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:77075181-1.
This name was in version 1 of The Plant List, record kew-127221, and has not been changed.