This name is a synonym of Eryngium aquaticum L..
The record derives from WCSP (in review)
(data supplied on 2012-03-23)
which reports it as a synonym with original publication details: Boston J. Nat. Hist. 6: 210 1850.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:841981-1.
This name was in version 1 of The Plant List, record kew-2799516.