This name is a synonym of Draba argyrea Rydb..
The record derives from WCSP (in review)
(data supplied on 2012-03-23)
which reports it as a synonym with original publication details: Pflanzenr. IV, 105(89): 116 1927.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:83424-2.
This name was in version 1 of The Plant List, record kew-2776268, and has not been changed.