Common Red Paintbrush (IMAGE) Simon Fraser University Caption Researchers found that the addition of salmon carcasses led to larger leaves, particularly in yarrow and common red paintbrush, and a greater seed set in yarrow in the third year. Credit Allison Dennert, Simon Fraser University Usage Restrictions Credit must be given to the creator. License CC BY 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.