Sonchus oleraceus Linnaeus, Species Plantarum 2: 794. 1753.

"Habitat in Europae cultis." RCN: 5808.

Lectotype (Boulos in Bot. Not. 126: 155. 1973): Herb. Linn. No. 949.6 (LINN) .

Generitype of Sonchus Linnaeus (vide Green, Prop. Brit. Bot: 177. 1929).

Current name: Sonchus oleraceus L. ( Asteraceae).