This name is a synonym of Erigeron uniflorus L..
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record E68E4AE7-6E1C-4799-A2C9-8CD7AF0AA9E7) with original publication details: 162 1772.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:204343-1.
This name was in version 1 of The Plant List, record gcc-94383.