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 5A73A31B-C591-4811-A41B-47AE9863B2BA) with original publication details: 44 1773.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:179520-1.
This name was in version 1 of The Plant List, record gcc-38626.