This name is a synonym of Agoseris heterophylla (Nutt.) Greene.
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record EC89FF6A-AA1A-456E-930A-20C43B6D5C03).
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 Agoseris heterophylla in version 1 of The Plant List.