The International Poplar Commission of the FAO UN holds the International Cultivar Registration Authority (ICRAs) for the genus Salix (willows). The ICRA for Salix produces and maintains The International Register of Cultivars of Salix L. (willow). This website contains The Register along with other relevant information about the cultivars, which was provided by the registrants. As of December 2018 fourteen cultivars of Salix were registered in the public domain. All individuals or institutions who intent to release a new cultivar must send an application to the International Poplar Commission of the FAO UN providing essential information regarding the cultivar. For more information about how to register a cultivar of Salix visit: http://www.fao.org/forestry/ipc/69637@204262/en/ This information is available to the international community as a free service, without commercial interest. Working party on Taxonomy, Nomenclature and Registration of the International Poplar Commission of the FAO UN Julia Kuzovkina (USA) University of Connecticut Storrs-Mansfield, CT 06269 United States of America Tel: (1-860) 4863438 E-mail: jkuzovkina@uconn.edu Lorenzo Vietto (Italy) Consiglio per la ricerca in agricoltura e l’analisi dell’economia agraria (CREA) Strada Frassineto 35 15033 Casale Monferrato (AL) Italy Tel: (39-0142) 330916 E-mail: lorenzo.vietto@crea.gov.it