Synonyms: Lactuca farinentula; Lactuca farinulenta (heterotypic); Launaea courtetiana (heterotypic); Launaea exauriculata (heterotypic); Launaea farinentula; Launaea farinulenta (heterotypic); Launaea virgata (heterotypic); Prenanthes somaliensis (heterotypic); Sonchus bipontini var. exauriculatus (heterotypic); Sonchus bipontini var. pinnatifidus (heterotypic); Sonchus bipontinii exauriculatus; Sonchus bipontinii pinnatifidus; Sonchus cornutus (homotypic); Sonchus exauriculatus (heterotypic); Sonchus kabarensis (heterotypic); Sonchus oliveri-hiernii var. oliveri-hiernii