This name is a synonym of Erigeron glaucus Ker Gawl..
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record AE026E15-6C95-477C-AE8B-474E33ECECFC) with original publication details: Linnaea 6 121 1831.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:180860-1.
This name was in version 1 of The Plant List, record gcc-38434, and has not been changed.