This name is a synonym of Helianthus salicifolius A.Dietr..
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record 0D74A223-C037-487B-A6A5-B66695426F73) with original publication details: Fl. S.E. U.S. [Small]. 1903.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:212089-1.
This name was in version 1 of The Plant List, record gcc-112864, and has not been changed.