This name is a synonym of Erigeron canadensis L..
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym and as an illegitimate name (record 49C7A1BB-71FA-4ABE-91FE-5D344B493612) with original publication details: 59 1905.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:23170-2.
This name was in version 1 of The Plant List, record gcc-50257.