This name is a synonym of Artemisia campestris subsp. variabilis (Ten.) Greuter.
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record F1A4D255-1CBF-400F-9D29-593CD9BF6C6E) with original publication details: 267 1783.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:179712-1.
This name was in version 1 of The Plant List, record gcc-48144.