Click on the links below for more information about these invasive plant and animal species. The species with an asterisk by the name pose the greatest threat(s) in the Sunapee Region.

Plants

*Curly-leaf Pondweed (Potamogeton crispis)

*Variable Milfoil (Myriophyllum heterophyllum)

*Hydrilla (Hydrilla verticillata)

Eurasian watermilfoil (Myriophyllum spicatum)

Brittle Naiad (Najas minor)

Water Chestnut (Trapa natans)

Fanwort (Cabomba caroliniana)

*Purple Loosestrife (Lythrum salicaria)

*Common Reed

Animals

*Spiny Water Flea (Bythotrephes longimanus)

*Asian Clam (Corbicula fluminea)

*Chinese Mystery Snail (Cipangopaludina chinensis)

Zebra Mussel (Dreissena polymorpha)

Click here for additional information from NHDES about Aquatic Invasive Species in New Hampshire.

To see a map from the USGS showing how different species have spread over time, click here.