- Studies of biogeography, systematics and diversity of the mediterranean vascular flora. Conservation
- Studies of biogeography, systematics, phylogeny and diversity of the bryophyte flora of the Iberian peninsula. Aspects of Conservation
- Studies of biogeography, systematics and diversity of lichens and fungi of the Mediterranean. Conservation. Biodeterioration
- Studies of biogeography, systematics and diversity of algae and seagrass in the Mediterranean Sea and other areas