<I>Hieracium pilosella</I> (IMAGE) University of Zurich Caption The natural apomictic mouse-ear hawkweed (Hieracium pilosella). Credit Image UZH 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.