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Adirondack Park Agency Adirondack Nature Conservancy Paul Smith's College NYS Department of Environmental Conservation Adirondack Park Agency Adirondack Nature Conservancy
 

Plant Identification

Curlyleaf Pondweed
(Potamogeton crispus)


Fact sheet
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Curlyleaf Pondweed
Photo provided by NYSDEC Lake Services Section
Curlyleaf pondweed is a submerged aquatic plant. It closely resembles the numerous native pondweeds present in Adirondack waters. Use the identification techniques and images to help distinguish Curlyleaf pondweed from other aquatic plants.
  • Curlyleaf pondweed is the only pondweed that has leaves
    with toothed, jagged edges.

  • Leaves are alternating, reddish-green, and stiff. Their wavy edges resemble lasagna noodles.

  • The stems are branched and somewhat flattened.

  • Curlyleaf pondweed produces overwintering buds called turions. They look like miniature floral arrangements and are hard and prickly.
 
Native Pondweeds that look like
Invasive Curlyleaf Pondweed
Click to Enlarge
Native Heartleaf pondweed
Potamogeton perfoliatus		 Click to Enlarge
Native Robbins pondweed
Potamogeton robbinsii
  Click to Enlarge
Curlyleaf Pondweed
Aquatic Plant Information System CD-Rom
Army Corps of Engineers