Government

CDFA :: California Department of Food and Agriculture
CDFA :: California Department of Food and Agriculture :: county agricultural commissioners
CDFA :: California Department of Food and Agriculture :: Encycloweedia :: noxious weeds
DPR :: California Department of Pesticide Regulation
DPR :: California Department of Pesticide Regulation :: continuing education

Arizona Dept. of Agriculture :: noxious weeds
Idaho OnePlan :: Pest Management Planner
Idaho State Dept. of Agriculture :: noxious weeds
Kansas Dept. of Agriculture :: noxious weed control program
Maryland Dept. of Agriculture :: weed control program
Michigan Dept. of Agriculture :: prohibited and restricted weeds
Minnesota Dept. of Agriculture :: noxious and invasive weed program
Montana Dept. of Agriculture :: noxious weeds
Nevada Dept. of Agriculture :: noxious weeds
New Mexico Dept. of Agriculture :: noxious weed information
North Dakota Dept. of Agriculture :: noxious weeds
Oregon Dept. of Agriculture :: noxious weed control
Utah Dept. of Agriculture and Food :: noxious weed control resources
Washington State :: Noxious Weed Control Board

ANS Task Force :: Aquatic Nuisance Species Task Force
BLM :: Bureau of Land Management :: U.S. Dept. of Interior :: weeds and invasives
ETOXNET :: Extension Toxicology Network
FICMNEW :: Federal Interagency Committee for the Management of Noxious and Exotic Weeds
NAPIS Pest Tracker:: National Agricultural Pest Information System
U.S. Fish and Wildlife Service :: invasive species
USDA :: California state-listed noxious weeds
USDA :: Invasive Species and Pollinator Health Unit
USDA :: Noxious Weeds Program

Australia :: University of Queensland :: Tropical and Subtropical Weeds Research Unit
Australia :: Weeds Australia:: an Australian Weeds Committee National Initiative
Australia :: The Weed's News :: weed research and weed control and prevention information
Canada :: Canadian Poisonous Plants Information System
Canada :: Government of Saskatchewan :: weeds
Canada :: Government of Saskatchewan :: urban guide to weed control