Crambe quadricostata Boiss. in Ann. Sci. Nat., Bot. ser. 2, 17: 388. 1842.

Type: “[Aucher-Eloy] N. 179, Mesopotamia ”.

Holotypus: SINE PATRIA: “ Mesopotamia ”, s.d., AucherEloy 179 (G-BOIS [G00330472]; iso-: G [G00446310, G00446311], K [K000653911], P [P05408797, P05408804]) .

= Crambe orientalis L., Sp. Pl.: 671. 1753.

Notes. – It is not possible to determine the country of origin of the type collection, and it could be Iraq, Syria, or Turkey.

Boissier in Flora Orientalis reduced the species to synonymy of C. orientalis .