Azolla filiculoides

Red Azolla

Azolla filiculoides

Red Azolla

  • Fast-growing floating fern
  • Filigree, fractal-like pattern
  • Highly decorative in open tanks
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Description

Azolla species are small, filigree floating ferns, occurring predominantly in the warm zones of the world. Azolla filiculoides is native to the Americas and introduced to other continents.

The Red Azolla or Large Mosquito Fern is able to form a floating mat in short time especially with strong lighting and nutrient-rich water, but it is also thriving under moderate lighting. Azolla filiculoides branches continually and propagates itself by fragmentation into smaller parts. As well as other floating plants, it has to be reduced occasionally to prevent the overgrowing of the water surface.

This floating fern looks very decorative especially in open tanks and well-lit paludariums. It removes excess nutrients from the water column, and its water roots provide shelter for baby fish. Azolla is able to grow not only on water but also on wet soil.

Azolla filiculoides aka water fern or Pacific mosquitofern has its origins on the American continent and is distributed from Canada to the South of Argentine and Chile. This tinly floating fern inhabits diverse stagnant to slow-flowing waters like ditches, swamps, ponds and lakes. However, it has been introduced into many regions of the world by humans and is found in the wild in Central Europe, too. It is not a popular aquarium plant, however, it is quite frequently sold as a plant for garden ponds.

According to more recent studies, there are only two native American Azolla species: A. filiculoides (synonyme: A. caroliniana) and A. cristata, often erroneously called A. caroliniana as well as A. mexicana. A. cristata is also found in the wild in Europe, however, much less frequently. Neither is it as popular, and it is easily mistaken for A. filiculoides.

A. (read more)

Synonyms Azolla arbuscula Desv.
Complete botanical name Azólla filiculoídes Lam.
Family Azollaceae
Genus Azolla
Difficulty easy
Usage Water surface
Growth fast
pH value 5 - 8
Temperature tolerance 5 - 35°C
Carbonate hardness 0 - 12°dKH
General hardness 0 - 30°dGH
Propagation Fragmentation, Splitting, cutting off daughter plants
Can grow emersed? yes
Source Flowgrow
Synonyms
Azolla arbuscula Desv.
Complete botanical name
Azólla filiculoídes Lam.
Family
Azollaceae
Genus
Azolla
Difficulty
easy
Usage
Water surface
Growth
fast
pH value
5 - 8
Temperature tolerance
5 - 35°C
Carbonate hardness
0 - 12°dKH
General hardness
0 - 30°dGH
Propagation
Fragmentation, Splitting, cutting off daughter plants
Can grow emersed?
yes
Source
Flowgrow

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