Ipomopsis aggregata Plant (IMAGE) Proceedings of the National Academy of Sciences Caption Ipomopsis aggregata plant. This species and a closely related one make fewer seeds in years of early snowmelt. Credit Image courtesy of Diane R. Campbell. 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.