Puche, F., A. Casañ, and J. J. Herrero Borgoñón. 1987. “The Genus Exormotheca Mitt. (Hepaticophytina) in the Iberian Peninsula”. Acta Botanica Malacitana 12 (December): 246-48. https://doi.org/10.24310/Actabotanicaabmabm.v12i.9768.