This name is a synonym of Bolboschoenus fluviatilis (Torr.) Soják.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 221912) with original publication details: Taxon 30: 845 1981.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:34313-2.
This name was in version 1 of The Plant List, record kew-221912, and has not been changed.