This name is a synonym of Schoenoxiphium lanceum (Thunb.) Kük..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 251020) with original publication details: J. Fac. Sci. Univ. Tokyo, Sect. 3, Bot. 8: 80 1961.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:309712-1.
This name was in version 1 of The Plant List, record kew-251020, and has not been changed.