Martin, Ljudmilla, Tiina Randlane, and Jüri Martin. “Lichens and Their Substrate Preferences on the Pakri Peninsula (Northwest Estonia)”. Folia Cryptogamica Estonica 48 (October 1, 2011): 45–58. Accessed November 21, 2024. https://ojs.utlib.ee/index.php/FCE/article/view/13632.