- Alaska Noxious Weeds — Division of Agriculture, Plant Materials Center
- Cooperative Extension Service — University of Alaska, Fairbanks
- Non-Native Plants of Alaska. Maintained by the Alaska Natural Heritage Program. Hosts a statewide database, ranking system, and species lists and information.
- Alaska Committee for Noxious and Invasive Plants Management—goal is to heighten the awareness of the problems associated with non-native invasive plants and to bring about greater statewide coordination, cooperation and action to halt the introduction and spread of undesirable plants.
- Alaska Biological Programs, Resources, and Research— National Biological Information Infrastructure (NBII)
- Alaska National Park Service Exotic Plant Management Team
- Alaska Native Plant Society
- Homer Soil & Water Conservation District Invasives Includes links to Kenia Peninsual CWMA, AKEPIC Inventory Project, cost-share program, volunteer efforts, and control recommendations for selected species.
- Invasive Species Alaska, from Union of Concerned Scientists (16-page pdf; scroll down and click under "Related Links-New")
- Contact: Jamie Nielsen
U. of Alaska Cooperative Extension Service
2221 E. Northern Lights Blvd, #118
Anchorage , AK 99508-4143
(907) 786-6300
ffjmn@uaf.edu
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Arizona
- Arizona's Invasive Species, illustrated 2006 report from Arizona Invasive Species Advisory Council
- Arizona Plant Services Division of the AZ Dept. of Agriculture
- Arizona Cooperative Extension
- Ecological Restoration Institute at the University of Northern Arizona— Research and practical ecological restoration projects
- Exotic and Invasive Species on the Colorado Plateau from Land Use History of North America, Northern Arizona University
- Illustrated Guide to Arizona Weeds, from University of Arizona Press
- Non-native Grasses and Fires Create Double Jeopardy in the Arizona Upland Subdivision of the Sonoran Desert, from the July/August 2000 issue of People, Land & Water, a publication of the USGS
- Office of Arid Land Studies (OALS)—A multidisciplinary unit in the College of Agriculture and Life Sciences at the University of Arizona. This link provides information about vegetation in arid areas and includes the Arid Land Newsletter.
- The Southwest Exotic Plant Information Clearinghouse—a cooperative effort of the USGS, the National Park Service, and Northern Arizona University to organize comprehensive information on exotic plant species in the southwest on one web location
- Arizona Wildlands Invasive Plants Categorizes plants according to their relative impacts on ecological processes, species, and native ecosystems; provides information about invasive non-native plants threating Arizona's natural areas.
- The Southwestern Exotic Plant Mapping Program (SWEMP) manages a GIS-based database of exotic plant distribution in the greater Southwest
- Southwest Vegetation Management Association Includes "Arizona Weed Strategies," created for 2004 AZ Weed Summit.
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California
- University of California, Davis
— Cooperative Extension Weed Research and Information Center (WeedRIC)
— UC Statewide Integrated Pest Management Project
— Exotic and Invasive Weeds Research Unit Supported by USDA/ARS, facilities in Albany and Davis, CA, and Reno, NV
— Department of Vegetable Crops and Weed Science
— WeedRIC useful links
- The Natural Resource Projects Inventory — A collaborative effort between the California Biodiversity Council and the UC-Davis Information Center for the Environment. The NRPI is a comprehensive, searchable database of thousands of conservation, mitigation and restoration projects being developed and implemented throughout California.
- CRISISCat A clearinghouse for information on invasive species in California, with access to organizations, people, projects and taxa-specific information. At the NBII California node.
- California Encycloweedia— Notes on Identification, Biology, and Management of Plants Defined as Noxious Weeds by California Law.
- CalFlora—a database providing information on wild California plants for conservation, education, and appreciation.
- CalWeed Database — Info on who is controlling which noxious weeds in CA and what methods they are using. Searchable by keywords. Projects which qualify for this database attempt to eradicate or reduce the number of noxious weeds in California.
- California Invasive Plant Council (Cal-IPC; formerly Cal-EPPC) Cal-IPC works to protect California wildlands from invasive plants through research, restoration, and education.
- Click on "Invasive Plants" for Definitions, Impacts, Inventory, Managment, Research, and Mapping
- California Invasive Plant Inventory (39 pp., color photographs), available from cal-ipc.org, summarizes impacts, potential for spread, and current distribution of 200+ plant species invading CA wildlands. Print copies free with $5 S&H charge; also available online as pdf files.
- CA Weed Education—Clearinghouse of Educational Materials
- California Weed Management Areas—access to the web pages for each of California's weed management areas; provides information on each area's various activities.
- California Native Plant Society
- www.PlantRight.org Alternatives to invasives for California gardeners
- Plants out of Place I.D. cards for San Francisco Bay Area and Pt. Reyes from NPS Inventory and Monitoring Program.
- Weeds of California and Other Western States (Tomaso&Healy), 2 vol, 1900 pages. Most complete book on weed ID ever produced in the US; 750 species, 3000 color photos, detailed morphology and biology. Includes CD with all photos, copyright- free for educational use. $100 + tax and shipping.
- Contact:
Bob Dowell
California Dept. of Food & Ag
Integrated Pest Control
1220 N St., Rm A-357
Sacramento, CA 95814
(916) 654-0768
bdowell@cdfa.ca.gov
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Colorado
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Hawaii
- Hawai'i Natural Heritage Program — tracking Hawaii's rarest plants, animals, and ecosystems
- Hawaiian Alien Plant Studies—University of Hawaii Dept. of Botany. Plant lists, impacts, biocontrol, and more
- Hawaiian Ecosystems at Risk Project (HEAR) — provides technology, methods, and information to decision-makers, resource managers, and the general public to help support effective science-based management of harmful non-native species in Hawaii and the Pacific.
- The Nature Conservancy of Hawaii
- Native Hawaiian Plant Society
- The 2006 edition of the Pacific Island Ecosystem at Risk (PIER) website on invasive plants of the Pacific islandsis at http://www.hear.org/pier/. Includes tables of species by location; tables of common names by language. Over 5000 herbarium records from the Bishop Museum have been added. Revised CD version also available. Corrections and additions welcome. Contact pier@hear.org.
- Contact: Becky Azama, Noxious Weed Specialist
Hawaii Department of Agriculture
Plant Pest Control Branch
1428 South King Street
Honolulu, HI 96814-2512
(808) 973-9530
becky.n.azama@hawaii.gov
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Idaho
- Idaho Dept. of Agriculture Noxious Weed Program
- Idaho Weed Control Association — promotes responsible weed management stewardship through education, communication, and public policy.
- Idaho Weed Awareness Campaign — with links to county weed supervisors and plant identification
- Idaho Weed Awareness Virtual Field Guide. Image galleries and videos of the 36 plants on Idaho's noxious weed list, plus panoramas and videos of Idaho weed regions.
- Resources for Idaho — A service of University of Idaho Cooperative Extension — Ten most wanted: crime fighting tactics to combat noxious weeds. Read about a pilot study to learn the competitive limits of yellow starthistle, and another planned to look at the physiological limits on starthistle’s growth, as part of efforts to assess weed threats and eliminate them when possible.
— Online catalog: publications on pests and pesticides, including weeds
- Idaho's Noxious Weeds, BUL 816 — Identify the 36 noxious weeds in Idaho. More than 70 full color photographs, location maps, and an annually revised chemical control guide that fits into the back-cover pocket. 76 pp, 2003. $5.00. Order #1031 from Resources for Idaho.
- Online version of Idaho's Noxious Weeds, by Robert H. Callihan and Timothy W. Miller; revised by Don Morishita and Larry Lass (1999). Includes information on how to document new weeds.
- The Idaho Rangeland Resource Commission — hot topics: fire ecology, native plants, and more
- Cooperative Weed Management Areas on the Boise and Sawtooth National Forests. With link to the CWMA Cookbook, a guide to help organize, develop, and operate successful CWMAs
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Kansas
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Montana
- Montana Weed Control Association — Provides a wealth of noxious weed information on identification information, the dangers of noxious weeds, and control recommendations.
- Missoula County Weed District — Comprehensive site covering noxious weed information, IWM management workshops; Noxious Weed Trust Fund grants and other grants; information on revegetation, pasture management, and biological weed control; mapping, GPS units, and GIS database management.
-
Steffany Rogge, Weed Education Coordinator, steffany@missoulaeduplace.org. Phone 406-258-4211.
- Lindsey Bona, Weed Management Area Coordinator, 406-258-4219.
- Montana's Statewide Noxious Weed Awareness and Education Campaign — Provides references and resources for education and awareness of the serious impacts of noxious weeds on the economy and environment of Montana.
- TEAM Leafy Spurge — A USDA-ARS research and demonstration program, located at the USDA-ARS Northern Plains Agricultural PLACES Research Laboratory, Sidney, MT. Focusing on the Little Missouri River and associated watersheds in Wyoming, Montana, North Dakota and South Dakota, its goal is to research, develop, and demonstrate ecologically based, integrated pest management (IPM) strategies for landowners and land managers to achieve effective, affordable leafy spurge control.
- Montana War on Weeds, produced by the students of Whitehall High School
- Great Plains Resources on Invasive Species from Greatplains.org
- Montana Native Plant Society
- Contact: Dave Burch
Montana Dept. of Agriculture
Noxious Weed Section
P.O. Box 200201
Helena, MT 59620-0201 (406) 444-3140
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Nebraska
- Department of Agriculture
- University of Nebraska-Lincoln Cooperative Extension
- University of Nebraska Pesticide Education Resources
- Nebraska Weed Control Association — with links to county weed control authorities, invasive species Watch List, and much more
- Lancaster County Weed Control Authority with many useful weed links
- Control of Invasive Exotic Plants in the Great Plains — An annotated bibliography from USGS Northern Prairie Wildlife Research Center
- The Great Plains System Research Unit, a research group of the USDA/ARS, concerned with sustaining integrated agricultural production systems while minimizing destructive impacts on the environment and maintaining economic viability.
- Great Plains Resources on Invasive Species from Greatplains.org
- High Plains Weed Management Association A partnership of Scotts Bluff, Banner, Kimball, Morrill, Cheyenne, Garden, Deuel, and southern Sioux counties.
- Nebraska Statewide Arboretum
- Contact: Mitch Coffin
Nebraska Dept. of Agriculture
P.O. Box 94756
Lincoln, NE 68509 (402) 471-6844
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Nevada
- Nevada Department of Agriculture Noxious Weeds Website Comprehensive site for prevention, control, and management of invasive weed species in Nevada
- Nevada Natural Heritage Program
- State of Nevada Weed Regulations
- University of Nevada, Reno, Cooperative Extension Service
- USDA ARS Exotic and Invasive Weeds Research Unit — Albany, CA: Davis, CA; Reno, NV
- Truckee Meadows Weed Coordinating Group A cooperative weed management group formed in 2003 to help federal, state, and local agencies and concerned residents fight weeds in Reno, Sparks, and southern Washoe County.
- Nevada Native Plant Society
- Contact: Scott Marshwin
Nevada Dept. of Agriculture
350 Capitol Hill Ave.
Reno, NV 89502
775-688-1180 ext 291
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New Mexico
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North Dakota
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Oklahoma
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Oregon
- Oregon Department of Agriculture
- BLM Oregon/Washington Noxious Weeds
- Oregon Cooperative Extension Service
- Oregon State University Dept. of Crop and Soil Science
- The Center for Lakes and Reservoirs at Portland State University was established by the Oregon State legislature to address lake management and invasive aquatic species issues in Oregon.
- Invasive Species of Oregon series in the Salem Statesman-Journal. Covers the full range of aquatic and terrestrial invaders.
- No-Ivy League is a partnership between Portland Parks & Recreation and Friends of Forest Park. Headquartered in Forest Park, Portland, Oregon, its focus is reducing the adverse consequences from invasive English Ivy in our ecosystem while promoting youth development opportunities, environmental education, and community involvement.
- The Native Plant Society of Oregon
- Oregon Flora Project
- Stop the Invasion Campaign 2 page pdf file listing problem invaders, hotline numbers, many organizations.
- Contact:
Tim Butler, Supervisor, Noxious Weed Control Program Oregon Dept. of Agriculture
635 Capitol St., NE
Salem, OR 97310
(503) 986-4625
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South Dakota
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Texas
Texas A&M University, College Station
- Texas Cooperative Extension
- Extension Ag and Natural Resources web sites
- Dept. of Entomology
- Ag & Environmental Safety
- Texas A&M San Angelo
- Texas Parks and Wildlife
- Texas Department of Agriculture
- Texas Invasives.org. Plant database, image gallery, mapping and surveys, publications, alternatives to invasive garden plants, and much more. Many useful links.
- Texas Invasive Plant & Pest Council (TIPPC) The objectives of TIPPC are to promote understanding and
awareness of invasive plant and pest impacts in Texas; provide a forum
for the exchange of scientific, educational and technical information;
and support research and restoration activities that reduce impacts of
invasive plants and pests in Texas.
- Lady Bird Johnson Wildflower Center The Wildflower Center is a botanical garden in Austin, Texas, dedicated to native plants. Our vision for the future is to preserve and restore the natural beauty and biological richness of North America by inspiring people to love the land.
- Native Plant Society of Texas
- Invasive Species Texas, from Union of Concerned Scientists (16-page pdf; click under "related links")
- Contact: Paul Baumann
Professor/Extension Weed Specialist
Soil and Crop Sciences Dept.
Texas A&M University
College Station TX
(979) 845-4880
- Contact: John E. Bremer
Professor/ Extension Weed Specialist
Soil and Crop Sciences Dept.
Rt. 2, Box 589
Corpus Christi, TX 78406-9704
(361) 265-9203
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Utah
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Washington
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Wyoming
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Alberta
- Alberta Department of Agriculture, Food, and Rural Development
- Weeds of the Prairies A comprehensive field guide to the common weeds across the Canadian prairie provinces. Covers 112 weeds, color-coded by flower color, with full-color photos of the weeds at different growth stages. Species indexed by common, scientific or family name. 226 pages.
- Weed publications Links to online fact sheets covering many weeds and other pests
- Links to online publications on control of specific weeds
- Biological control of weeds on the prairies A comprehensive page on biocontrol, in the context of prairie agriculture and ecosystems.
- Alberta Dept. of Sustainable Resource DevelopmentInvasive plant definitions and impacts, prevention and management, weed lists and info sheets, educational materials, and more.
- Alberta Native Plant Council
- Contact: Shaffeek Ali, P. Ag.
Unit Head
Pest Risk Management Unit
7000 - 113 Street
Edmonton, AB T6H 5T6
(780) 422-4909
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British Columbia
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Manitoba
- Purple Loosestrife Info Centre The Manitoba Purple Loosestrife Project (MPLP) is a nonprofit coalition between
- Comprehensive weed control information Biology, Scouting Techniques, Effects on Crop Quality, Threshold/Yield Loss and Control Tips. Links to weed control info by plant name.
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Saskatchewan
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