Voytsekhovich, A., L. Dymytrova, and O. Nadyeina. “Photobiont Composition of Some Taxa of the Genera Micarea and Placynthiella (Lecanoromycetes, Lichenized Ascomycota) from Ukraine”. Folia Cryptogamica Estonica, vol. 48, Oct. 2011, pp. 135-48, https://ojs.utlib.ee/index.php/FCE/article/view/13642.