This name is a synonym of Erigeron karvinskianus DC..
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym and as an illegitimate name (record 313464B1-CB63-4B66-9F7F-F47081EF4229) with original publication details: 74 1865.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:181162-1.
This name was in version 1 of The Plant List, record gcc-140183.