Azolla filiculoides

 

Layouts containing this plant

 
 

Azolla filiculoides (previously called Azolla caroliniana) from North America is a small (1-2 cm tall), 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.

Azolla filiculoides is used as nitrogen fertiliser in rice paddies, and as animal feed. There are several related varieties on the market, with similar appearance.

A decorative plant for open aquariums. 

 

Plant info

Type: Floating plant
Origin:North America
Country or continent where a plant is the most common. Cultivars arise or are bred in cultivation.
Growth rate:Medium
Growth rate of the plant compared to other aquatic plants.
Height:3 - 5+
Average height (cm) of the plant after two months in the tank.
Light demand:Low
The average or medium light demand of an aquarium plant is 0,5 W/L.
CO2 :Low
A medium need in CO2 is 6-14 mg/L. A high demand in CO2 is approx. 15-25 mg/L.