This name is a synonym of Helianthus × laetiflorus Pers..
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record 76F0B716-940B-4855-AAE9-F8874BFD1DCD).
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 scaberrimus in version 1 of The Plant List.