Delgadillo-M., Claudio, and Ángeles Cárdenas-S. “Mosses of Zacatecas, Mexico III. Synthesis and Phytogeography”. Botanical Sciences0, no. 47 (July 15, 1987): 13 -24. Accessed September 19, 2021. https://botanicalsciences.com.mx/index.php/botanicalSciences/article/view/1328.