This name is a synonym of Helianthus subtuberosus Bourg..
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record F1DF1772-7187-4903-8DEB-FCE9941B6E8A).
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 subtuberosus in version 1 of The Plant List.