Zidorn, C. (2010). “Sesquiterpene lactones and their precursors as chemosystematic markers in the tribe Cichorieae of the Asteraceae”. Phytochemistry (Amsterdam, The Netherlands)69: 2270–96. doi:10.1016/j.phytochem.2008.06.013. ISSN0031-9422.
Sareedenchai, V. and C. Zidorn (2010). “Flavonoids as chemosystematic markers in the tribe Cichorieae of the Asteraceae”. Biochemical Systematics and Ecology (Amsterdam, The Netherlands)38: 935–57. doi:10.1016/j.bse.2009.09.006. ISSN0305-1978.
Zidorn, C., et al. (2000). “Tyrolobibenzyls ‒ Novel secondary metabolites from Scorzonera humilis”. Helvetica Chimica Acta (Zürich; Switzerland)83: 2920–25. ISSN0018-019X.
Zidorn, C. (2010). “Sesquiterpene lactones and their precursors as chemosystematic markers in the tribe Cichorieae of the Asteraceae”. Phytochemistry (Amsterdam, The Netherlands)69: 2270–96. doi:10.1016/j.phytochem.2008.06.013. ISSN0031-9422.
Sareedenchai, V. and C. Zidorn (2010). “Flavonoids as chemosystematic markers in the tribe Cichorieae of the Asteraceae”. Biochemical Systematics and Ecology (Amsterdam, The Netherlands)38: 935–57. doi:10.1016/j.bse.2009.09.006. ISSN0305-1978.
Jehle, M., et al. (2010). “Natural products from Scorzonera aristata (Asteraceae)”. Natural Product Communications (Westerville, OH; USA)5: 725–27. ISSN1934-578X.