This name is a synonym of Galatella sedifolia subsp. biflora (L.) Sennikov.
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record F01441D7-EBE7-47E8-A047-6F07E90FE76D) with original publication details: 414 1914.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:180784-1.
This name was in version 1 of The Plant List, record gcc-81087, and has not been changed.