This name is a synonym of Helianthus pauciflorus Nutt..
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record E042421E-F98E-4A32-A9A9-7C69CAABA006) with original publication details: 184 1829.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:1202097-2.
This name was in version 1 of The Plant List, record gcc-87066.