Øvstedal, Dag O., and Ronald I. Lewis Smith. “Four Additional Lichens from the Antarctic and South Georgia, Including a New Leciophysma Species”. Folia Cryptogamica Estonica 480 (October 1, 2011): 65-68. Accessed December 8, 2021. https://ojs.utlib.ee/index.php/FCE/article/view/13634.