Cordero S., R. A., A. Garrido, J. P. Pérez-Molina, Óscar Ramírez-Alán, and J. L. Chávez. “Lichen Community Structure and Richness in Three Mid-Elevation Secondary Forests in Costa Rica”. Revista De Biología Tropical, vol. 69, no. 2, Feb. 2021, pp. 688–699, doi:10.15517/rbt.v69i2.46162.