This name is a synonym of Erigeron latus (A.Nelson & J.F.Macbr.) Cronquist.
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record 566047EE-494B-4D5F-8C90-C44EEF9E55BC) with original publication details: 383 1913.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:94051-2.
This name was in version 1 of The Plant List, record gcc-65158, and has not been changed.