Launaea fragilis (Asso) Pau in Bol. Soc. Aragonesa Ci. Nat. 16: 68. 1917
Launaea fragilis in Bol. Soc. Aragonesa Ci. Nat. 16: 68. 1917
is new combination for Lactuca fragilis, Syn. Stirp. Aragon.: 109. 1779
Launaea fragilis in Bol. Soc. Aragonesa Ci. Nat. 16: 68. 1917