Azolla filiculoides Macro (image) Boyce Thompson Institute Share Print E-Mail Caption This is a macro photograph of Azolla filiculoides. Credit Laura Dijkhuizen Usage Restrictions Use only with appropriate credit. 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.