Training Materials for Citizen Scientists (IMAGE) North Carolina State University Caption Volunteers received a laminated card to help them correctly identify signs of sudden oak death as part of mandatory training with UC Berkeley researchers. Credit Courtesy Douglas Schmidt, UC Berkeley Usage Restrictions Please credit UC Berkeley 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.