This name is a synonym of Lepidium flavum Torr..
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 50129407) with original publication details: Leafl. Bot. Observ. Crit. 1(14): 199 1906.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:243080-2.
This name was in version 1 of The Plant List, record tro-50129407.