UTM_CloverLab (IMAGE) University of Toronto Caption A global collaboration led by University of Toronto Mississauga evolutionary biologists examined more than 110,000 white clover samples from 160 locations across the world, showing that the plant is evolving in direct response to environmental changes taking place in cities. Credit Photo by Nick Iwanyshyn Usage Restrictions No sales. No archiving. For use only in coverage of this study. 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.