This name is a synonym of Brickellia ambigens (Greene) A.Nelson.
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record 1981D166-1C04-498B-9C42-D8F98BD22BCD) with original publication details: Bull. Torrey Bot. Club 25 118 1898.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:62978-2.
This name was in version 1 of The Plant List, record gcc-127993, and has not been changed.