Arctotis calendula Linnaeus var. tristis (Linnaeus) Linnaeus, Systema Naturae, ed. 12, 2: 578. 1767.

["Habitat in Aethiopia."] Sp. Pl. 2: 922 (1753). RCN: 6671.

Basionym: Arctotis tristis L. (1753) .

Type not designated.

Original material: as basionym.

Current name: Arctotheca calendula (L.) Levyns ( Asteraceae).