Synonyms: Atalanthus longilobus (heterotypic); Atalanthus resedifolius (heterotypic); Lactuca fragilis (homotypic); Launaea chondrilloides (homotypic); Launaea fragilis var. lucentica (heterotypic); Launaea fragilis var. viminea (heterotypic); Launaea fragilis viminea; Launaea longiloba (heterotypic); Launaea resediflia; Launaea resedifolia (heterotypic); Launaea resedifolia longiloba (heterotypic); Launaea resedifolia var. longiloba (heterotypic); Launaea resedifolia var. marmarica (heterotypic); Launaea resedifolia var. setacea (heterotypic); Launaea resedifolia viminea; Microrhynchus chondrilloides (heterotypic); Rhabdotheca longiloba (heterotypic); Scorzonera resedifolia (heterotypic); Sonchus bocconi; Sonchus chondrilloides (heterotypic); Zollikoferia chondrilloides (heterotypic); Zollikoferia longiloba (heterotypic); Zollikoferia mucronata var. latisecta (heterotypic); Zollikoferia resedifolia (heterotypic); Zollikoferia resedifolia var. longiloba (heterotypic); Zollikoferia resedifolia var. minor (heterotypic); Zollikoferia resedifolia var. setacea (heterotypic); Zollikoferia resedifolia var. viminea (heterotypic); Zollikoferia resedifolia viminea