Mexican Mosquito Fern

Azolla mexicana

Status

Threatened

Description

This tiny, floating plant is 1 cm to 1.5 cm in diameter although it often clumps together and forms larger patches. It has numerous scale-like leaves up to 1 mm long, and many short trailing roots. The Mosquito-fern is reddish-green during the summer and bright red or brownish red in the fall.

Habitat

This plant prefers quiet backwaters or the still waters of oxbow lakes. During the summer, colonies of this plant can completely cover the surface of the water.

Threats

These plants grow close to major transportation corridors and spills of oil, gas and other toxic substances threaten this plant
Accumulation of salt on the roads and its effect on water when the snow melts
Road expansion or construction

You Can Help!

Keep the area free of invasive plants
Avoid trampling or driving over the plant and the surrounding habitat
Learn more about this plant and its biology

Resources