This name is a synonym of Helianthus coloradensis Cockerell.
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record 39D5BE3C-89AC-4980-A28E-A4D958E1688C) with original publication details: 1914.
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 coloradensis in version 1 of The Plant List.