This name is a synonym of Achillea millefolium L..
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record F750F23A-BBA7-427F-A99E-BAB241F21B06) with original publication details: N. Amer. Fl. 34 221 1916.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:2307-2.
This name was in version 1 of The Plant List, record gcc-114795.