The research activity focuses on the acquisition of new knowledge on the algae, plants and fungi, which apply: 1. In studies on the biodiversity of: algae, fungi, lichens, bryophytes and vascular plants, in the Iberian Peninsula, Mediterranean sea and other areas. 2.- For the solution of problems related to their identification, Systematics, Phylogeny, biogeography and conservation status. The research activity is carried out with a multidisciplinary approach from different perspectives to develop four lines of research: "Bryology", "Plant Ecology", "Botany Marine", "Mycology and lichenology".