Dying Italian Cypress Trees (IMAGE) University of California - Berkeley Caption A row of Italian cypress trees near Siena, a city in Italy's Tuscany region, show symptoms of cypress canker disease. Researchers have traced the origin of the pathogen responsible for the disease back to California. Credit Photo by Roberto Danti, Italian National Research Council Usage Restrictions Must include credit with the image. License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.