Synonyms: Ammoseris nudicaulis (homotypic); Atalanthus nudicaulis (homotypic); Brachyramphus obtusus; Brachyrhamphus obtusus (heterotypic); Lactuca flava (heterotypic); Lactuca obtusa; Launaea fallax (heterotypic); Launaea obtusa; Launaya fallax (heterotypic); Lomatolepis nudicaulis (homotypic); Microrhynchus arabicus (heterotypic); Microrhynchus fallax (heterotypic); Microrhynchus nudicaulis (homotypic); Paramicrorhynchus procumbens (homotypic); Prenanthes obtusa; Prenanthes procumbens (homotypic); Prenanthes runcinata (heterotypic); Rhabdotheca sonchoides (homotypic); Scorzonera dichotoma (homotypic); Sonchus lakouensis (heterotypic); Sonchus leucodon (homotypic); Sonchus mairei (heterotypic); Sonchus nudicaulis (homotypic); Youngia alashanica (heterotypic); Youngia procumbens (homotypic); Zollikoferia fallax (heterotypic); Zollikoferia leucodon
