Curly-leaf Pondweed (Potamogeton crispus)
2B, widespread in Montana
Quick ID
- Leaves are minutely toothed, alternate along stem, and have wavy edges when mature
- Veins branch perpendicularly from the midvein
- Tiny flowers which may appear reddish-brown to green above the water’s surface
Curly-leaf Pondweed
Video Information
Weed Images
Weed Specifications
| Type | Information |
|---|---|
| Toxicity | Non-toxic |
| Best Management Practices | Preventing new infestations; Herbicides are effective when properly timed; Raking and hand cutting in the spring and early summer. |
| Habitat | Curlyleaf pondweed grows in ponds, lakes, streams and rivers at depths of three to ten feet; favors alkaline water. |
| Root | Fibrous from slender rhizomes. |
| Leaves | Reddish-brown to olive-green in color, alternate, stiff, wavy, minutely toothed, round tips. |
| Lifespan | Perennial |
| Similar Looking Plants | Richardson's Pondweed, White-stemmed pondweed. |
| Important Information | The species primarily spreads to different bodies of water by attaching to boat trailers and other recreational equipment. |
