This name is a synonym of Erigeron monticolus DC..
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record 44C25122-703B-4D02-9EC4-EE0BCA81DFAD) with original publication details: 287 1836.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:181787-1.
This name was in version 1 of The Plant List, record gcc-137244.