This name is a synonym of Lavandula pedunculata subsp. cariensis (Boiss.) Upson & S.Andrews.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 109097) with original publication details: Brotéria, Ci. Nat. 18: 70 1949.
This name was in version 1 of The Plant List, record kew-109097, and has not been changed.