LIAKH, A., KISH, R., KARPENKO, N., & KOSTIKOV, I. (2013). Taxonomical status of Swertia alpestris Baumg. ex Fuss from the territory of Ukraine based on the analysis of the ITS2 secondary structure. CHORNOMORSKI BOTANICAL JOURNAL, 9(4), 497-506. https://www.cbj.kspu.edu/index.php/cbj/article/view/354