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

"Habitat Monspelii, Florentiae." RCN: 5809.

Lectotype (Boulos in Bot. Not. 126: 158. 1973): Herb. Linn. No. 949.9 (LINN) .

Current name: Sonchus tenerrimus L. ( Asteraceae).