The Pyrenean Rocket (IMAGE) KU Leuven Caption The Pyrenean rocket (pictured) is a harmless plant, but some exotics can become a real plague even after a period of unproblematic presence in a non-native environment. Credit Katrien Vandepitte Usage Restrictions None 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.