This name is a synonym of Veratrum oxysepalum Turcz..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 293013) with original publication details: Kongl. Svenska Vetensk. Acad. Handl. III, 5(1): 233 1927.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:262863-2.
This name was in version 1 of The Plant List, record kew-293013.