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citrus longhorn beetle
Photo courtesy Washington Department of Agriculture


invasive species

To report a suspected invasive species in Oregon, call the Invasive Species Hotline:

Invasive species

Invasive or exotic species are an increasing threat to nursery production due to the increased movement of plants and people across borders and continents. The following websites present useful information concerning this topic. For more specific invasive pest information, click here.


Oregon Invasive Species Council
This site includes the 100 most dangerous invaders list for Oregon. Additionally the Invasive Species in Oregon Report Card for 2014 is useful reading.
Oregon Department of Agriculture Insect Pest Prevention and Management Section
Oregon Noxious Weed Control Program
Included with lots of other useful information is the Noxious Weed List for Oregon. This site as well contains noxious weed profiles.
Oregon Forest Pest Detectors
Pacific Northwest's Least Wanted: Invasive Weed Identification and Management. Oregon State University Extension.
OPB's Silent Invasion website

Washington State Invasive Species Council General questions and reporting information: Please e-mail us at invasivespecies@rco.wa.gov or call 1-877-9-INFEST
Washington Department of Agriculture Pest Program Contacts
Washington Department of Agriculture Exotic Pest Survey
Washington State Noxious Weed Control Board
Washington State Noxious Weed List
This site contains definitions of Class A, B, & C weeds; the Washington's monitor list for weeds; a list of weed seeds/plants whose sales are prohibited; both terrestrial and aquatic weed information. In development is a webpage where one can identify weeds based on their flower color or habitat.

Idaho Invasive Species Council
University of Idaho's Center for Research on Invasive Species and Small Populations (CRISSP)
Idaho Noxious Weed Program
Crammed with information, this site has many links to information of noxious weeds, regulations, and weed program.
Idaho Noxious Weed's list terrestrial plants aquatic plants

Montana Invasive Species Council

This site includes the CalEPPC Invasive Plant Inventory. Amongst the treasures at this site: Invasive Plants of California Wildlands. See their CalWeedMapper website.

California Dept. of Food and Agriculture (CDFA) Plant Health and Pest Prevention Services (PHPPS) has developed a website on noxious weeds with lots of information and aptly titled Encycloweedia.

US Government
USDA Animal and Plant Health Inspection Service (APHIS)
USDA Hungry Pests
Federal Noxious Weed List
State noxious weed lists
National Invasive Species Resource Center
Hungry Pests. USDA APHIS.
This is the gateway to the National Invasive Species Council. Included at this site are many papers on the economic impact of invasive species.
BLM's Alien Plant Working Group's Weeds Gone Wild
BLM 's Invasive and Noxious Weeds:
National Plant Board website. Here can be found the regulated pest information by state.
USGS Nonindigenous Aquatic Species Website

Center for Aquatic and Invasive Plants
The Exotic Forest Pests Information System for North America
Invasive and Exotic Species of North America
The most photo rich site on invasive species.
Pest Tracker
National Agricultural Pest Information System (NAPIS).
BugGuide:List of non-native arthropods

The Center for Plant Conservation
The St. Louis Declaration on Invasive Plant Species.

Field Guide to Noxious and Other Selected Weeds of British Colombia
BC Ministry of Agriculture, Food, and Fisheries Invasive Pests and Biosecurity
Global Invasive Species Database
North American Plant Protection Organzation (NAPPO)
There are many excellent options at this site including a Pest Alert System, where one can learn about official and unoffical of pests in the U.S., Canada, and Mexico: the ability to search Pest Alerts by type.



Original version: <13 March 2012)

Last revision <27 August 2019>

Author: R.L. Rosetta, Extension Nursery Integrated Pest Management, Department of Horticulture, Oregon State University


Website editor:
Robin Rosetta
Page last modified 8/27/19

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