Plant Wiki

The open plant encyclopedia

Know any plant.
Grow it well.

Snap a photo or search by any name to see how to care for it, where it comes from, whether it's safe, and a 3D model you can turn.

  • 13,000+plants with full pages
  • 365,000+plant species worldwide
  • 220+countries covered

Common in

See all

The plants people record most in your country, and ones that grow there wild.

What do you want to do?

Popular plants

Browse all plants

See them in 3D

All plants in 3D

Browse plants

Filter by what you want to do, shape, origin, country, care and safety.

Plant Wiki › Browse plants

Mexican mosquitofern

Azolla mexicana

Also called Mexican Azolla

Mexican mosquitofern
Photo: Hippolyte Coste, Public domain

Azolla mexicana is a tiny floating aquatic fern with blue-green to dark red leaves, native to Mexico and the western United States. It thrives on still, nutrient-rich water in full sun.

Family
Salviniaceae (Salvini family)
Grows as
Fern, Aquatic
Light
Full sun, Part shade
Water
Keep it floating on still or slow-moving water; no watering is needed in a pond or tank.
Temperature
15–28 °C; dies back in prolonged cold and freezing, so protect below about 5 °C
How easy
Easy
Safety
Not known to be toxic

About

Azolla mexicana, the Mexican mosquito fern, is an aquatic fern native to Mexico, British Columbia and the western United States (California, Oregon, Washington, Arizona, New Mexico, Texas, Utah, and Nevada).

There are reports of the species also occurring in the Great Plains of the central United States, but these reports need further study for verification.

Other Azolla plants

Carolina mosquitofern · Pacific mosquitofern · Azolla nilotica · Feathered mosquitofern · Azolla primaeva · Mosquitofern

Text excerpted from the Wikipedia article Azolla mexicana by its contributors, under CC BY-SA 4.0; the excerpts and the care summary drawn from them are shared under the same licence.

The care summary was written by AI (Claude, Anthropic) from the sources on this page, with general growing knowledge where they are silent. Check before relying on it.

Credits & terms

Identify a plant

Point at a leaf or flower and snap. One plant in frame works best.

Your photo
Starting camera…