This name is a synonym of Linum austriacum subsp. collinum (Boiss.) Nyman.
The record derives from WCSP (in review)
(data supplied on 2012-03-23)
which reports it as a synonym with original publication details: Mitth. Thüring. Bot. Vereins n.f., 5: 60 1893.
This name was in version 1 of The Plant List, record kew-2873437, and has not been changed.