Varvas, Triin, and Bellis Kullman. “First Records of Two Ascomycetes on Phleum Pratense in Estonia”. Folia Cryptogamica Estonica 49 (October 1, 2012): 73-76. Accessed April 24, 2019. http://ojs.utlib.ee/index.php/FCE/article/view/13617.