Name: Water Fern
Scientific name: Azolla filiculoides
Category: Moss and Lichen
Nature Stars: 20
About: A strange little floating plant, most similar to duck weeds but with numerous tiny overlapping leaves.
How to identify: Similar to duckweed from a distance, but very different up close, a greyish-green colour, turning red in the autumn.
Fantastic fact: An introduced plant, originally from North America.
Photograph credit: randomtruth