This name is a synonym of Phragmites karka (Retz.) Trin. ex Steud..
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 25510102) with original publication details: Observ. Bot. 4: 21 1786.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:390878-1.
This name was in version 1 of The Plant List, record tro-25510102.