This name is a synonym of Lychnophora ericoides Mart..
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record 689537F8-FBD0-40BF-86E3-60706CAA6082).
This name record (from TICA) was not included in version 1 of The Plant List. It is possible the same name was included from a different data source, to check this you can search for Lychnophora rosmarinus in version 1 of The Plant List.