water fern (Azolla filiculoides)
Azolla filiculoides is a small, free-floating aquatic fern forming dense mats on water surfaces. It hosts nitrogen-fixing cyanobacteria, making it a valuable.
Above information is sourced from Wikipedia
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Taxonomy
- kingdomPlantae
- divisionTracheophyta
- classPolypodiopsida
- orderSalviniales
- familySalviniaceae
- genusAzolla
- speciesAzolla filiculoides