This name is a synonym of Verbesina parviflora S.F.Blake.
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record AFF070B8-D230-4DAE-A5DC-5FA90DE3A61A).
This name record (from TICA) was not included in version 1 of The Plant List. It is possible the same name was included from a different data source, to check this you can search for Helianthus parviflorus in version 1 of The Plant List.