This name is a synonym of Erigeron eatonii A.Gray.
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record 84DCBAE5-B694-4DD7-B1DB-6201106E2582) with original publication details: Brittonia 6 172 1947.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:294155-2.
This name was in version 1 of The Plant List, record gcc-75320.