Removal of Oregon Grape (IMAGE) Pensoft Publishers Caption Leaf treatment of Oregon grape clone with a hand sprayer (left) and dune restoration by mechanical removal of dense Oregon grape infestation (right). Credit Tim Adriaens Usage Restrictions CC-BY 4.0 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.