Tall Fescue Toxicosis (IMAGE) American Society of Agronomy Caption "Tall Fescue Toxicosis" is published by the American Society of Agronomy and the Crop Science Society of America. Credit American Society of Agronomy. 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.