This name is a synonym of Valeriana laxiflora DC..
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 33500192) with original publication details: Linnaea 28: 698 1858.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:859799-1.
This name was in version 1 of The Plant List, record tro-33500192.