Rust (image) CABI Share Print E-Mail Caption Young pustules of the rust Puccinia abrupta var. partheniicola on Parthenium hysterophorus. Credit Iram M. Iqbal Usage Restrictions Iram M. Iqbal Share Print E-Mail 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.