This name is a synonym of Cladium mariscus subsp. jamaicense (Crantz) Kük..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 233393) with original publication details: Inst. Rei Herb. 1: 362 1766.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:303470-1.
This name was in version 1 of The Plant List, record kew-233393, and has not been changed.