This name is a synonym of Zostera mucronata Hartog.
The record derives from WCSP
(data supplied on 2012-03-26)
which reports it as a synonym (record 282495) with original publication details: Taxon 50: 433 2001.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:1020782-1.
This name was in version 1 of The Plant List, record kew-282495, and has not been changed.