English Ivy (IMAGE) University of Cincinnati Caption A new plant survey of southwest Ohio found a rise in nonnative, invasive species such as this English Ivy growing up a tree trunk. Credit Denis Conover Usage Restrictions None License Original 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.