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 A1452B1B-5083-4E62-951B-8AC23EB8C973) with original publication details: Rhodora 48: 79 79 1946.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:119154-2.
This name was in version 1 of The Plant List, record gcc-57962.