Water fern Fougère d’eau Großer Algenfarn Grousse Waasserfar Class: Pteridopsida Family: Azollaceae Status R – extremely rare Further information Azolla filiculoides often occurs in ponds, … in private gardens, where it is regularly introduced with other water plants. Azolla filiculoides was however recently found in 3 ponds situated in the open countryside, near the village … Continue reading Azolla filiculoides