Lactuca virosa Linnaeus, Species Plantarum 2: 795. 1753.

"Habitat in Europae australioris aggeribus, sepibus." RCN: 5820.

Lectotype (de Vries & Jarvis in Taxon 36: 147, f. 5. 1987): Herb. A. van Royen No. 900.344-163 (L) .

Current name: Lactuca virosa L. ( Asteraceae).