This name is a synonym of Eutrema deltoideum (Hook.f. & Thomson) O.E.Schulz.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 4105800) with original publication details: J. Proc. Linn. Soc., Bot. 5: 163–164 1861.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:289300-1.
This name was in version 1 of The Plant List, record tro-4105800.