This name is a synonym of Symphyotrichum subulatum var. ligulatum .
The record derives from TICA
(data supplied on )
which reports it as a synonym (record 4DE318E7-CE0A-4F52-92DC-B86475DDD046
).
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 divaricatus in version 1 of The Plant List.