Charles W. Coggins (IMAGE) University of California - Riverside Caption Charles W. Coggins is a professor emeritus of plant physiology in the department of botany and plant sciences at the University of California, Riverside. Credit UCR Strategic Communications. 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.