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 9989F6B0-A461-404E-ACF4-6C62BB26D2C5) with original publication details: Revis. Gen. Pl. 1: 304 304 1891.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:7244-2.
This name was in version 1 of The Plant List, record gcc-79905.