Diplotaxis muralis (L.) DC. Diplotaxis muralis (L.) DC., Syst. Nat. 2: 634. 1821 sec. Rollins 1993≡Sisymbrium murale L., Sp. Pl. 2: 658. 1753 syn. sec. Rollins 1993=Sinapis muralis (L.) W.T. Aiton, Hort. Kew., ed. 2 [W.T. Aiton] 128. 1812 syn. sec. Rollins 1993