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You are here: Home / Introduced, Invasive, and Noxious Plants
Introduced, Invasive, and Noxious Plants

NRCS Invasive Species Policy
Invasive Species Executive Order 13112

View Federal and state noxious weed lists, an invasive plant list, or an introduced plant list, each with links to more information.

Federal Noxious Weed List

In accordance with the Plant Protection Act of 2000 (7 U.S.C. 7701 et seq.), the U.S. government has designated certain plants as noxious weeds:

List of Federal Noxious Weeds

State Noxious Weed Lists

The following states have designated certain plants as legally noxious:

Alabama Indiana Montana South Dakota
Alaska Iowa Nebraska Tennessee
Arizona Kansas Nevada Texas
Arkansas Kentucky New Hampshire Utah
California Louisiana New Mexico Vermont
Colorado Maine North Carolina Virginia
Connecticut Maryland North Dakota Washington
Delaware Massachusetts Ohio West Virginia
Florida Michigan Oklahoma Wisconsin
Hawaii Minnesota Oregon Wyoming
Idaho Mississippi Pennsylvania  
Illinois Missouri South Carolina  

Federal and State Noxious Weeds

This composite list is a summary of noxious status for all of the listed plants in the U.S.

Weeds of the U.S.

These plants are weedy or invasive, or have the potential to become weedy or invasive, in all or part of their U.S. range. We assembled this list verbatim from sources around the country to provide a comprehensive look at potential problem plants in the U.S. Most are introduced to the United States, but some are harmful pests in parts of this country, and valuable natives in others. To learn more, please read About Weeds of the U.S.

You may view individual weed lists assembled by state and federal resource managers, state Exotic Plant Pest Councils, or university noxious weed specialists, or a composite list that is derived from these individual lists.

Weeds of the U.S., a composite of all twelve individual lists:

Scientific Name= A| B| C| D| E| F| G| H| I| J| K| L| M| N| O| P| Q| R| S| T| U| V| W| X| Y| Z| all|
Common Name= A| B| C| D| E| F| G| H| I| J| K| L| M| N| O| P| Q| R| S| T| U| V| W| X| Y| Z| all|

Individual weed lists:

U.S. USDA, Animal and Plant Health Inspection Service (APHIS), Plant Protection and Quarantine (PPQ). Federal noxious weed list (1 February 2012). USDA, APHIS, PPQ, Washington, DC.
USDA, Animal and Plant Health Inspection Service (APHIS), Plant Protection and Quarantine (PPQ). State Plant Regulatory Officials letters. National Plant Board
STATE Assorted authors. State noxious weed lists for 46 states. State agriculture or natural resource departments.
Cal-IPC California Invasive Plant Council. California Invasive Plant Inventory. Cal-IPC Publication 2006-02 (1 February 2007). California Invasive Plant Council, Berkeley, California.
FLEPPC Florida Exotic Pest Plant Council. Invasive plant list. Florida Exotic Pest Plant Council, Florida.
HEAR USDI, Geological Survey. Information index for selected alien plants in Hawaii (20 October 2003). Hawaiian Ecosystems at Risk Project, Biological Resources Division, Haleakala Field Station, Makawao, Hawaii.
KY Haragan, P.D. Weeds of Kentucky and adjacent states: a field guide. The University Press of Kentucky, Lexington, Kentucky.
N'EAST Uva, R.H., J.C. Neal,and J.M. DiTomaso. Weeds of the Northeast. Cornell University Press, Ithaca, New York.
NE&GP Stubbendieck, J., G.Y. Friisoe,and M.R. Bolick. Weeds of Nebraska and the Great Plains. Nebraska Department of Agriculture, Bureau of Plant Industry, Lincoln, Nebraska.
SEEPPC Southeast Exotic Pest Plant Council. Invasive exotic pest plants in Tennessee (19 October 1999). Research Committee of the Tennessee Exotic Pest Plant Council, Tennessee.
SWSS Southern Weed Science Society. Weeds of the United States and Canada. CD-ROM. Southern Weed Science Society, Champaign, Illinois.
WI Hoffman, R.and K. Kearns (eds.). Wisconsin manual of control recommendations for ecologically invasive plants. Wisconsin Dept. Natural Resources, Madison, Wisconsin.
WSWS Whitson, T.D. (ed.) et al. Weeds of the West. Western Society of Weed Science in cooperation with Cooperative Extension Services, University of Wyoming, Laramie, Wyoming.

Introduced Plants of the PLANTS Floristic Area

These plants are introduced to some part of the PLANTS Floristic Area, though they may be native in other parts. While many are harmless or beneficial, others that are not already invasive or noxious have a high potential to become so in all or part of their range. In general, introduced plants are likely to invade or become noxious since they lack co-evolved competitors and natural enemies to control their populations.

Scientific Name= A| B| C| D| E| F| G| H| I| J| K| L| M| N| O| P| Q| R| S| T| U| V| W| X| Y| Z| all|
Common Name= A| B| C| D| E| F| G| H| I| J| K| L| M| N| O| P| Q| R| S| T| U| V| W| X| Y| Z| all|

 

 
Time Generated: 10/25/2014 07:32 AM MDT