This name is a synonym of Haplopappus glutinosus Cass..
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record B8D444FC-A5BB-4149-9003-D147E50CADF4).
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 Haplopappus arbutoides in version 1 of The Plant List.