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Mosquito Fern

Scientific Name: Azolla caroliniana 

Distinguishing Characteristics:
Cluster of tiny fern-like leaves; leaves usually ½ to 1 inch across; leaves grey to green when young and rusty red when older.
Small roots dangle beneath each leaf.
The red phase resembles a Euglena bloom from a distance.
Forms layer on surface that is at the will of the wind; may cover an entire pond if conditions are calm; heavy infestations can shade sunlight required for oxygen synthesis and fish productivity. Often found in association with duckweeds. 
Azolla caroliniana taken by Graves Lovell

Azolla caroliniana taken by Graves Lovell

Azolla caroliniana taken by Graves Lovell

Azolla caroliniana taken by Graves Lovell

Azolla caroliniana taken by Graves Lovell

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