Kneeling Angelica and Pollinators (IMAGE) University of Washington Caption Kneeling angelica plants along streams bloom in concert with returning salmon because a booming population of blowflies seek nectar – and spread pollen – before laying their eggs on salmon carcasses. Credit Peter Lisi/University of Washington Usage Restrictions Credit required 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.