This name is a synonym of Spathiphyllum lanceifolium (Jacq.) Schott.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 122013) with original publication details: Bonplandia (Hannover) 4: 11 1856.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:87447-1.
This name was in version 1 of The Plant List, record kew-122013, and has not been changed.