Павлов И. 2024. Image of Sempervivum ruthenicum (W.D.J. Koch) Schnittsp. & C.B. Lehm. // 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/801737.html (accessed on 2 Nov 2026).
