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 (record 433528) with original publication details: Trans. Amer. Philos. Soc. n.s., 5: 144 1835 publ. 1837.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:300035-2.
This name was in version 1 of The Plant List, record kew-433528, and has not been changed.