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 and as an illegitimate name (record 1D12743C-EB70-4CF7-91EF-C0887A7A323A) with original publication details: 30 1882.
This name was in version 1 of The Plant List, record gcc-117381.