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 B88F1493-F664-48CB-86C2-D6AA235C1EED) with original publication details: 88 1883.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:260242-2.
This name was in version 1 of The Plant List, record gcc-127035.