Putna, Sanita, and Anna Mežaka. “Preferences of Epiphytic Bryophytes for Forest Stand and Substrate in North-East Latvia”. Folia Cryptogamica Estonica 51 (July 2, 2014): 75-83. Accessed February 21, 2019. http://ojs.utlib.ee/index.php/FCE/article/view/fce.2014.51.08.