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You are here: Home / Aquatic Species / Species Profiles / Curly Pondweed
Aquatic Species
Species Profiles

Curly Pondweed

Curly pondweed - Invasive.org

Scientific name: Potamogeton crispus L. (ITIS)

Synonym: Achyranthes philoxeroides

Common names: Curly pondweed, Curly-leaf pondweed

Click image to enlarge

Selected Resources

Native To: Eurasia, Africa, Australia (Catling and Dobson 1985)

Date of U.S. Introduction: Mid-1800s (Catling and Dobson 1985)

Means of Introduction: Unknown, possibly introduced accidentally with fish stocking operations (Catling and Dobson 1985; Nichols and Shaw 1986)

Impact: Forms dense mats that inhibit growth of native species and impede recreational activities (Catling and Dobson 1985)

Current U.S. Distribution:


Selected Resources:


Invasive Plant Atlas of New England (IPANE) - Curly-leaved Pondweed
University of Georgia. Center for Invasive Species and Ecosystem Health.

Invasive Plant Atlas of the United States - Curly-leaved Pondweed
University of Georgia. Center for Invasive Species and Ecosystem Health.

Invasive Species Compendium - Potamogeton crispus
CAB International.

Global Invasive Species Database - Potamogeton crispus (aquatic plant)
World Conservation Union. Invasive Species Specialist Group.


Potamogeton crispus L. - Aquatic Plant Information System (APIS)
DOD. USACE. Engineer Research and Development Center. Environmental Laboratory.

Germplasm Resources Information Network (GRIN) - Potamogeton crispus
USDA. ARS. National Genetic Resources Program.

Curly Pondweed - Invasive Plants of Asian Origin Established in the United States and Their Natural Enemies (PDF | 355 KB)
USDA. Forest Service.

PLANTS Database - Curly Pondweed
USDA. NRCS. National Plant Data Center.

National Exotic Marine and Estuarine Species Information System (NEMESIS): Chesapeake Bay Introduced Species Database - Potamogeton crispus
Smithsonian Institution. Smithsonian Environmental Research Center. Marine Invasions Research Lab.


Aquatic Invasive Species: Curlyleaf Pondweed (PDF | 644 KB)
Indiana Department of Natural Resources.

Curly-leaved Pondweed: An Invasive Aquatic Plant (Feb 2002; PDF | 409 KB)
Massachusetts Department of Conservation and Recreation.

Curlyleaf Pondweed: New Management Ideas for an Old Problem (PDF | 178 KB)
Minnesota Department of Natural Resources. Exotic Species Program.

Aquatic Invasive Species in Rhode Island: Curlyleaf Pondweed (Jun 2009; PDF | 644 KB)
Rhode Island Department of Environmental Management. Office of Water Resources.

Curly Leaf Pondweed - Vermont Invasive Exotic Plant Fact Sheet (2003; PDF | 93 KB)
Vermont Fish and Wildlife Department.

Whatcom Weeds: Curly-Leaf Pondweed (PDF | 64 KB)
Whatcom County Noxious Weed Control Board (Washington).

Curly-Leaf Pondweed (Potamogeton crispus)
Wisconsin Department of Natural Resources.


Curly Pondweed
Michigan State University. Midwest Invasive Species Information Network.

Curlyleaf Pondweed
Minnesota Sea Grant.

Curlyleaf Pondweed - Invasive Species Fact Sheet (Sep 2007; PDF | 1.09 MB)
Mississippi State University. GeoResources Institute.

Curly Leaf Pondweed - Pond Facts No. 17 (2008; PDF | 98 KB)
Pennsylvania State University. Cooperative Extension. School of Forest Resources.

Curly-Leafed Pondweed - Aquaplant
Texas A&M University. Texas Agricultural Extension Service.s

Curly-leaf Pondweed Monitoring Protocol (May 2014; PDF | 2.82 MB)
University of Wisconsin Cooperative Extension. Citizen Lake Monitoring Network.


Curly-leaf Pondweed - Maine's Interactive Field Guide to Aquatic Invaders
Maine Volunteer Lake Monitoring Program. Maine Center for Invasive Aquatic Plants.

Potamogeton crispus
New Zealand Plant Conservation Network.

Potamogeton crispus
Pacific Island Ecosystems at Risk.


Catling, P.M. and I. Dobson. 1985. The biology of Canadian weeds: 69. Potamogeton crispus L. Canadian Journal of Plant Science 65(3):655-668.

Integrated Taxonomic Information System. Potamogeton crispus. [Accessed Sep 10, 2014].

Nichols, S.A. and B.H. Shaw. 1986. Ecological life histories of the three aquatic nuisance plants, Myriophyllum spicatum, Potamogeton crispus and Elodea canadensis. Hydrobiologia 131(1):3-21.

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Last Modified: Mar 20, 2015
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