This name is a synonym of Galanthus plicatus subsp. byzantinus (Baker) D.A.Webb.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 307595) with original publication details: Wiener Ill. Gart.-Zeitung 19: 57 1894.
This name was in version 1 of The Plant List, record kew-307595, and has not been changed.