This name is a synonym of Erigeron blakei Cabrera.
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record F9C2FD35-CDDE-458D-B71A-3830EF0D3FD1) with original publication details: 481 1953.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:64722-2.
This name was in version 1 of The Plant List, record gcc-30375.