This name is a synonym of Ionactis linariifolia (L.) Greene.
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record ED14BF08-F8DF-4149-81BB-EB76E3F4EF20).
This name record (from TICA) was not included in version 1 of The Plant List. It is possible the same name was included from a different data source, to check this you can search for Aster linariifolius in version 1 of The Plant List.