Syntaxonomic Conspectus of the Vegetation of Catalonia and Andorra. I: Hygropilous Herbaceous Communities

The first part of a general survey of the vegetation of Catalonia and Andorra, this paper reports all the phytocoenological associations and subassociations recorded in this area. For each community, we provide the correct name and usual synonyms, its typification (where appropriate), all the references including releves, and the most outstanding features of its structure, species composition, ecology, distribution and diversity. Moreover, asso- ciations and subassociations are ordered appropriately in a syntaxonomic scheme. Syntaxonomic ranks are considered in a fairly broad, conservative sense. This classification established 101 associations, which correspond t o the classes Lemnetea, Zosteretea, Potametea, Littorelletea, Montio-Carda- minetea, Phragmiti-Magnocaricetea, Scheuchzerio-Caricetea, Isoeto-Nanojun- cetea and Molinio-Arrhenatheretea.