C. E. Padrón

Depsidones from Lobaria pulmonaria and their chemotaxonomic importance

J. Barrera, Antonio G. González, E. M. Pérez, 1994 .

Chemical Constituents of the Lichen Ramalina hierrensis.

E. M. Pérez, J. B. Barrera, A. González, 1992, Planta medica.