Want to work on an invasives species removal project? The Sierra Club of Maryland maintains a list of ongoing projects sponsored by many organizations.

Read the Latest Invaders blog for news on the latest threats to Maryland.

Wavyleaf Basketgrass, from the MD Dept. of Natural Resources.

Project Wavyleaf, from Towson University, includes a link for downloading apps for Android & I-Phone

Purple Loosestrife, from the MD Dept. of Natural Resources.

Water Chestnuts, from the MD Dept. of Natural Resources.

Noxious Weeds in Maryland, Weed Control Program enforces law to remove specific weeds.

Plant Invaders of Mid-Atlantic Natural Areas, published by the National Parks Service and sponsored by MNPS. A 28 MB PDF version is also available. Copies are available through MNPS and can be purchased at Meetings or by ordering from MNPS.

Alien Invasive Plants "Facts Sheets", from the Plant Conservation Alliance. These give more information about the plant, if you know either the botanical or common name to find it.

Mistaken Identity? Invasive Plants and Their Native Look-alikes (PDF, ~7.4MB), from the Delaware Department of Agriculture.

Control of Invasive Non-native Plants (PDF, ~208 KB), from the MNPS. Lists invasive plants and methods of controlling them.

Federal and state noxious weed lists, from USDA's PLANTS database.

Federal Interagency Committee for the Management of Noxious and Exotic Weeds (FICMNEW), which mainly lists what the agency is doing, and doesn't have specific plant information.

The Invasive Alien Species Handbook, from the MNPS.

Invasive and Exotic Species of Maryland, by the Maryland Department of Natural Resources.

The National Invasive Species Information Center, from the National Agricultural Library, "the gateway to invasive species information; covering Federal, State, local, and international sources." Also see their suggestions for What You Can Do.

Nonnative Invasive Plants of Southern Forests, from the USDA Forest Service Southern Research Station. Information on downloading all or part of the 16 MB PDF file is available at that link, plus how to order a printed copy.

Nonnative Invasive Plants of the City of Alexandria, Virginia. (pdf) By Rod H. Simmons 2017. City of Alexandria Dept. Recreation, Parks, and Cultural Activities, Alexandria, Virginia.

Noxious Weeds in Maryland. Maryland Department of Agriculture's Weed Control Program.

Mid-Atlantic Exotic Pest Plant Council, part of the National Association of Exotic Pest Plant Councils, may have resources we don't have.

Weeds Gone Wild, the Plant Conservation Alliance's Alien Plant Working Group. The site also has links to publications about invasives.

Books about Non-native Plants

Food and Agriculture Organization of the United Nations: Alien Invasive Species: Impacts on Forests and Forestry, includes a link to a database of invasive species world-wide (except for the United States).