This name is a synonym of Euphorbia polygonifolia L..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 38178) with original publication details: Fl. S.E. U.S. 708 1903.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:55391-2.
This name was in version 1 of The Plant List, record kew-38178, and has not been changed.