This name is a synonym of Helenium quadridentatum Labill..
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record C8D23E0B-4142-4E99-B3BC-DB9152D83217) with original publication details: Revis. Gen. Pl. 1 342 1891.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:118676-2.
This name was in version 1 of The Plant List, record gcc-129120, and has not been changed.