This name is a synonym of Sisymbrium macroloma Pomel.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 100361342) with original publication details: Butl. Inst. Catalana Hist. Nat. 38(1): 73. 1974.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:879358-1.
This name was in version 1 of The Plant List, record tro-100361342, and has not been changed.