Aquatic plants ›
A small, free-floating plant with one root per frond. Thick mats of duckweed are found in ponds and slow-moving waters. The small flattened plants float on the water surface and tend to grow in dense colonies; forming floating carpets . Common duckweed is often interspersed with other varieties of duckweeds and Azolla.
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Found in clear waters, with most profuse growth in ditches and swamps that are free from currents. Dense populations can clog irrigation pumps and sprinklers.
Rounded or oval, and flat. Leaves are 1/10th to 1/8th in. wide.
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.