Water Velvet (Azolla caroliniana)
From The Aquarium Wiki
6.0 - 8.0
2 cm (0.8")
3 cm (1.2")
Alternative Names and Variants
- Water Velvet, Fairy Moss
- A decorative fern best kept in high light tanks.
- A tiny floating fern housing blue-green algae in its leaves. These algae are capable of absorbing nitrogen from the air, which can then be used by the plant.