This name is a synonym of Anthemis pedunculata subsp. atlantica (Pomel) Oberpr..
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record 36772B63-9D3B-4187-A9C3-9438B3AD0E6E) with original publication details: 289 1875.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:177161-1.
This name was in version 1 of The Plant List, record gcc-97587.