Crown Gall Tumor (IMAGE) Indiana University Caption A tumor induced by Agrobacterium tumefaciens in a common landscaping plant, Euonymus, that was identified in Bloomington, Ind. Credit Photo by Elise Morton, IU Biology 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.