This name is a synonym of Eryngium vaseyi var. globosum (Jeps.) Hoover.
The record derives from WCSP (in review)
(data supplied on 2012-03-23)
which reports it as a synonym with original publication details: Brittonia 2: 245 1936.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:842049-1.
This name was in version 1 of The Plant List, record kew-2799599, and has not been changed.