This name is a synonym of Linum hirsutum subsp. glabrescens Soó.
The record derives from WCSP (in review)
(data supplied on 2012-03-23)
which reports it as a synonym with original publication details: Oesterr. Bot. Z. 18: 228 1868.
This name was in version 1 of The Plant List, record kew-2873469, and has not been changed.