This name is a synonym of Myrtus communis subsp. tarentina (L.) Nyman.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 132824) with original publication details: Gard. Dict. ed. 8 6 1768.
This name was in version 1 of The Plant List, record kew-132824.