DOCUMENTS

Help Control Aquatic Invasive Species

LSPA’s informational card with photos of invasive species that post the greatest threat to our region and how you can help stop the spread.

LSPA's Invasive Bivalves Pamphlet

This pamphlet describes the threat of Asian clams, zebra and quagga mussels and what they look like.

NH Department of Environmental Services Aquatic Plants and Algae

This guide provides a summary of the more common native and invasive aquatic plants seen in NH.

Quick Key to Ruling Out Invasive Plants 

This is an excellent two page guide from the Maine Volunteer Lake Monitoring Program that helps people with no previous plant identification experience learn how to quickly determine if a plant is invasive or not.

Identifying Freshwater Aquatic Invasive Species in Rhode Island

This guide provides great pictures of invasive plant species and look-a-like native ones.

Maine’s Most Unwanted Aquatic Invasive Plants

This poster from the Lake Stewards of Maine includes drawings of 15 aquatic invasive plants on Maine’s watch list.

WEBSITES

NH Department of Environmental Services - Invasive Species

This website provides a lot of useful information about aquatic invasive plant species.

Northeast Aquatic Nuisance Species Panel - Invasive Bivalves, Water Fleas and Crustaceans 

This website describes what invasive animal and plant species look like and allows you to create your own guide. 

USDA Aquatic Invasive Species

This website provides descriptions, videos and images of invasive animal and plant species.