This name is a synonym of Eryngium × microcephalum Sieber.
The record derives from WCSP (in review)
(data supplied on 2012-03-23)
which reports it as a synonym with original publication details: Verh. K. K. Zool.-Bot. Ges. Wien 60: 259 1910.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:841748-1.
This name was in version 1 of The Plant List, record kew-2799217.