This name is a synonym of Achillea tenuifolia Lam..
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record 947E03D3-BD81-4126-8A56-070BEA1646CA).
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 Achillea tenuifolia in version 1 of The Plant List.