Lactuca chaixii Vill., Prosp. Hist. Pl. Dauphiné: 33. 1779 Lactuca chaixii Vill., Prosp. Hist. Pl. Dauphiné: 33. 1779is basionym for Lactuca quercina subsp. chaixii (Vill.) Čelak., Prodr. Fl. Böhmen: 208. 1871Taxon for this nameLactuca chaixii Vill., Prosp. Hist. Pl. Dauphiné: 33. 1779