This name is a synonym of Valeriana decussata Ruiz & Pav..
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 33500249) with original publication details: Nov. Gen. Sp. (quarto ed.) 3: 332 1818.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:286643-2.
This name was in version 1 of The Plant List, record tro-33500249, and has not been changed.