This name is a synonym of Geissorhiza imbricata subsp. bicolor (N.E.Br.) Goldblatt.
The record derives from iPlants
(data supplied on 2012-03-23)
which reports it as a synonym (record 327642) with original publication details: Contr. Gray Herb. 135: 35 1941.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:437163-1.
This name was in version 1 of The Plant List, record kew-327642, and has not been changed.