This name is a synonym of Artemisia douglasiana Besser ex Besser.
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record E0043DEF-CD0F-4871-A75C-2F40F900CE34) with original publication details: 183 1871.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:20683-2.
This name was in version 1 of The Plant List, record gcc-25583.