This name is a synonym of Veratrum lobelianum Bernh..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 311991) with original publication details: Fl. Helv. 6: 311 1830.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:60450471-2.
This name was in version 1 of The Plant List, record kew-311991.