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 C67971ED-A07F-44B5-9BB9-C9769D60431B) with original publication details: N. Amer. Fl. 34 223 1916.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:2337-2.
This name was in version 1 of The Plant List, record gcc-121285.