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 EE957F80-2215-4647-B07D-DB0404C16FA0).
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.