This name is a synonym of Achillea chamaecyparissus Sch.Bip..
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record 3D95CC80-7149-4C4B-88F5-457B2DC2BB14).
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 chamaecyparissus in version 1 of The Plant List.