This name is a synonym of Eryngium amethystinum var. tenuifolium Boiss. & Heldr..
The record derives from WCSP (in review)
(data supplied on 2012-03-23)
which reports it as a synonym with original publication details: Fl. Graec. Prodr. 1: 175 1806.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:841923-1.
This name was in version 1 of The Plant List, record kew-2799438, and has not been changed.