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Zygnema
 Algae

Zygnema



Zygnema Agardh: Zygnemataceae.

Green algae. Filamentous, often found along with Spirogyra in still water. These algae are made up of very long unbranched threads that have a slimy coating; they feel slippery when picked up. Looks yellow-green when under water. With magnification two green star-shaped structures can be seen in each cell; these are chloroplasts.

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Photography courtesy of The Center for Aquatic and Invasive Plants of the University of Florida.