Zygophyllum simplex Linnaeus, Systema Naturae, ed. 12, 2: 295; Mantissa Plantarum: 68. 1767.

"Habitat in Arabia. Forskåhl.” RCN: 3033.

Type not designated.

Original material: none traced.

Current name: Zygophyllum simplex L. ( Zygophyllaceae).

Note: Authors since Schreiber (in Mitt. Bot. Staatssamml. München 5: 100, 102. 1963) have referred to apparently unseen Forsskål material as the type but this has not been traced.