Galium laevigatum Linnaeus, Species Plantarum, ed. 2, 2: 1667. 1763.

"Habitat in Italia. Arduini." RCN: 872.

Type not designated.

Original material: [icon] in Boccone, Mus. Piante Rar. Sicilia: 83, t. 75. 1697.

Current name: Galium laevigatum L. ( Rubiaceae).