This name is a synonym of Scrophularia occidentalis (Rydb.) E.P. Bicknell.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 50316202) with original publication details: Contr. U.S. Natl. Herb. 3(8): 517 1896.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:230991-2.
This name was in version 1 of The Plant List, record tro-50316202, and has not been changed.