This name is a synonym of Scilla forbesii (Baker) Speta.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 302114) with original publication details: J. Linn. Soc., Bot. 11: 436 1870.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:532675-1.
This name was in version 1 of The Plant List, record kew-302114, and has not been changed.