This name is a synonym of Allagopappus canariensis (Willd.) Greuter.
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record C96ED5B7-FB0E-4F76-8246-FDFC60494538) with original publication details: 26 1975.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:876402-1.
This name was in version 1 of The Plant List, record gcc-72445.