Australian Sydney Golden Wattle (IMAGE) Bielefeld University Caption The researchers studied how the Australian Sydney golden wattle proliferates in other ecosystems and suppresses native species. Credit Bielefeld University Usage Restrictions Image may only be used with appropriate caption and 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.