New Study Clarifies the Effects of Invasive Species (3 of 5) (image) American Association for the Advancement of Science Share Print E-Mail Caption This shows Kristin Powell measuring out a study plot of Dianella ensifolia, cerulean flax lily, at Highlands Hammock State Park in Florida. This image relates to a paper that appeared in Jan. 18, 2013, issue of Science, published by AAAS. The paper, by Kristin Powell at Washington University in St. Louis in St. Louis, Mo., and colleagues was titled, "Invasive Plants Have Scale-Dependent Effects on Diversity by Altering Species-Area Relationships." Credit [Image courtesy of Jessica Powell] Usage Restrictions Please cite the owner of the image when publishing. This image may be freely used by reporters as part of news coverage, with proper attribution. Non-reporters must contact Science for permission. Share Print E-Mail 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.