Information included in this Web Site is the result of activities supported by Ministerio de Agricultura, Pesca y Alimentación of Spain and of Conselleria de Agricultura, Medio Ambiente, Cambio Climático y Desarrollo Rural, thaks to their support to Fundación CEAM. Most of the microscopic pictures have been kindly provided by the Anatomy Group of Jardí Botànic de València. Several authors are acknowledged for contributing with ozone injury photos.