Collecting Branches (IMAGE) University of Washington Caption UW graduate student Leander Anderegg, after using a shotgun to collect a high branch from a trembling aspen. Credit Leander Anderegg Usage Restrictions Must include credit. 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.