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 327613) with original publication details: Bot. Mag. 18: t. 672 1803.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:437143-1.
This name was in version 1 of The Plant List, record kew-327613, and has not been changed.