⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record kew-2799495, and has not been changed.
This name is a synonym of Eryngium armatum (S.Watson) J.M.Coult. & Rose.
The record derives from WCSP (in review) which reports it as a synonym with original publication details: Bot. California 1: 255 1876.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:96422-2.