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General Infomation

A filamentous alga, made up of large mats of filaments that resemble human hair. Each filament is ~50 micrometers in diameter and composed of stacks of cells. The mats are tightly woven, may be floating or submersed, and have a strong musky, earthy smell.


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Species Data


Lyngbya infestations may be associated with excess nutrients (calcium or phosphorus). The large floating mats are formed during warmer parts of the year. Lyngbya is present in the southeastern U.S and west to Texas.

Aquatic Plants App

Whether you're a professional botanist or a casual nature enthusiast, the NC State University (NCSU) Aquatic Weeds app has detailed information on a wide variety of aquatic weeds to assist in identification.