This name is a synonym of Streptanthus glandulosus subsp. albidus (Greene) Al-Shehbaz, M.S. Mayer & D.W. Taylor.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 4101470) with original publication details: Pittonia 1(4): 62 1887.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:298916-2.
This name was in version 1 of The Plant List, record tro-4101470.