This name is a synonym of Convallaria montana Raf..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 276396) with original publication details: J. Elisha Mitchell Sci. Soc. 80: 172 1964.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:64463-2.
This name was in version 1 of The Plant List, record kew-276396.