Vellak, Kai, Nele Ingerpuu, Leiti Kannukene, Mare Leis, and Bellis Kullman. 1. “New Estonian Records and Amendments. Liverworts and Mosses. Pezizales (Ascomycetes)”. Folia Cryptogamica Estonica 45 (1), 91-93. http://ojs.utlib.ee/index.php/FCE/article/view/13677.