“Athelium imperceptum Nyl. (Thelocarpaceae, Ascomycota), a scarcely known ephemeral lichen of biological soil crusts, new to Ukraine”, CBJ, vol. 6, no. 3, pp. 385–389, Nov. 2011, Accessed: Aug. 29, 2026. Available: https://cbj.kspu.edu/index.php/cbj/article/view/555