This name is a synonym of Aster willkommii subsp. catalaunicus (Willk. & Costa) A.Bolòs.
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record 1E4F2E64-D65E-46D1-AD74-F4899000E659) with original publication details: Linnaea 30 105 1859.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:180898-1.
This name was in version 1 of The Plant List, record gcc-140228, and has not been changed.