This name is a synonym of Phalaris caroliniana Walter.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym and as a spelling variant (record 433499) with original publication details: Syn. Pl. 1: 237 1839.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:415625-1.
This name was in version 1 of The Plant List, record kew-433499, and has not been changed.