This name is a synonym of Achillea clypeolata Sm..
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record 70D03A78-A514-4E99-B1BA-C5436DB18FEF) with original publication details: 9 1930.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:173855-1.
This name was in version 1 of The Plant List, record gcc-119482.