This name is a synonym of Jasione crispa subsp. amethystina (Lag. & Rodr.) Tutin.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 358458) with original publication details: Prodr. 7: 416 1839.
This name was in version 1 of The Plant List, record kew-358458, and has not been changed.