This name is a synonym of Aster menziesii Lindl..
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record BAFEF79C-407B-4195-9C1C-59F64CEA4FD6).
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 menziesii in version 1 of The Plant List.