Sisymbrium hesperidiflorum Boiss. & Buhse in Nouv. Mém. Soc. Imp. Naturalistes Moscou 12: 22. 1860.

Type: “Im Gebirge von Jesd, Thal Derrehgoum, 23 April 1849 (florens et fructiferum). [Buhse] No 1296”.

= Sisymbrium leucocladum (Boiss.) D.A. German & Al-Shehbaz in Phytotaxa 334: 96. 2018.

Notes. – No material of this species was located in all of the Geneva herbaria and LE (GERMAN & AL-SHEHBAZ, 2018). These authors followed Boissier in Flora Orientalis in treating the two taxa as conspecific.