<i>Azolla filiculoides</i> Macro (IMAGE) Boyce Thompson Institute Caption This is a macro photograph of Azolla filiculoides. Credit Laura Dijkhuizen Usage Restrictions Use only with appropriate credit. 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.