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 FA8D759E-8A1F-442B-8F2F-71AF88075DF4) with original publication details: Prodr. (DC.) 5: 586 586 1836.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:1089579-2.
This name was in version 1 of The Plant List, record gcc-82280, and has not been changed.