1.
Grüninger W, Monge-Nájera J. Use of the temperate lichen <i>Hypogymnia physodes</i> (Parmeliaceae) to evaluate air pollution in the Tropics. Rev. Biol. Trop. [Internet]. 1988Nov.1 [cited 2024May5];36(2B):545–547. Available from: https://revistas.ucr.ac.cr/index.php/rbt/article/view/23895