Olariaga, Ibai, Graciela Paz-Bermúdez, Javier Calvo, Javier Etayo, and María Prieto. “Rediscovery of the Endangered Lichen Pseudocyphellaria Aurata (Lobariaceae, Ascomycota) in Mainland Spain”. Anales del Jardín Botánico de Madrid 77, no. 2 (December 30, 2020): e099. Accessed June 21, 2021. https://rjb.revistas.csic.es/index.php/rjb/article/view/518.