This name is a synonym of Aster amellus subsp. bessarabicus (Bernh. ex Rchb.) Soó.
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record 9CBC478D-10CE-489A-B2FC-59CF23093A28) with original publication details: Besser. 1821. 33 .
This name was in version 1 of The Plant List, record gcc-48492.