Полевой Д. 2023. Image of Codonopsis bactriana F.O. Khass., U. Kodyrov & A. Myrz. // Plantarium. Plants and lichens of Russia and neighboring countries: open online galleries and plant identification guide. URL: https://www.plantarium.ru/lang/en/page/image/id/787439.html (accessed on 5 Nov 2026).