This name is a synonym of Helianthus petiolaris var. fallax (Heiser) B.L.Turner.
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record 20AAB813-20D7-4008-B8E2-6AA15309E745) with original publication details: Rhodora 60 1958.
This name was in version 1 of The Plant List, record gcc-54015, and has not been changed.