A WMS (Web Map Service) is a service that produces maps of spatially referenced data starting from geographic information, and is a technical specification defined by the OGC (Open Geospatial Consortium). This WMS presents the "Vegetation" layer of the Bodies' Reference Territorial Database (BDTRE), structured according to national technical specifications (Prime Minister's Decree of 10 November 2011), defines classes of entities of a vegetal nature grouped according to the following classification:- agricultural areas- forestry - urban and extra-urban greenery (tree-lined avenues, monumental trees ...) The contents of this service are divided into the following levels corresponding to the BDTRE classes: - Agro-forestry areas - Urban greenery The maps can be viewed using various software (e.g. QGis)