Pollen Patterns (IMAGE) University of Tennessee at Knoxville Caption These are pollen patterns. Credit SEM images: Asja Radja; Simulations: Asja Radja and Maxim Lavrentovich. 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.