This name is a synonym of Felicia dregei DC..
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record B8F14EAF-92BD-45CB-B9C9-2293E6AA9BD7).
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 dregei in version 1 of The Plant List.