Nelson, Peter R, and Tim B Wheeler. “Persistence of Epiphytic Lichens Along a Tephra-Depth Gradient Produced by the 2011 Puyehue-Cordón Caulle Eruption in Parque Nacional Puyehue, Chile”. Bosque (Valdivia) 37, no. 1 (May 22, 2017): 97–105. Accessed August 1, 2026. http://146.83.217.169/index.php/bosque/article/view/115.