This name is a synonym of Chlorophytum sphacelatum var. hockii (De Wild.) Nordal.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 302551) with original publication details: Nordic J. Bot. 13: 64 1993.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:970979-1.
This name was in version 1 of The Plant List, record kew-302551, and has not been changed.