This name is a synonym of Helianthus smithii Heiser.
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record 04B52804-58C3-470B-AA28-01025FBFCDDF) with original publication details: Syn. Fl. N. Amer. 1(2): 278 278 1884.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:119214-2.
This name was in version 1 of The Plant List, record gcc-538, and has not been changed.