This name is a synonym of Lepidium karelinianum Al-Shehbaz.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 100360084) with original publication details: Bull. Soc. Imp. Naturalistes Moscou 33(1): 131. 1860.
This name was in version 1 of The Plant List, record tro-100360084, and has not been changed.