A - Z of Weeds
Victoria Department of Economic Development, Jobs, Transport and Resources (Australia).
A Field Guide for
the Identification of Invasive Plants in Southern Forests (2010) / Web
Forest Service. Southern Research Station.
Gen. Tech. Rep. SRS-119; previous version - Nonnative
Invasive Plants of Southern Forests: A Field Guide for Identification and Control
Alien Plant Invaders of Natural Areas - Factsheets
Plant Conservation Alliance. Alien Plant Working Group.
Brochures (scroll to view)
State of California. Plumas County. Plumas-Sierra Noxious Weeds
An Illustrated Guide to Arizona Weeds - List of Species
University of Arizona.
Plant Information System (APIS) and Noxious
and Nuisance Plant Management Information System
Engineer Research and Development Center. Environmental
Includes several non-aquatic plants.
BioBullies - The Disastrous Dozen
Natural Biodiversity (Western Pennsylvania).
Includes fact sheets for the worst trouble-makers in the region, and also for additional trouble-makers for you to watch out for.
of Invasive Plants in the Eastern United States (Aug 2002)
Published by: USDA.
Forest Service. Publication FHTET-2002-04.
- Weed Law Summary & Weed Lists
State of Colorado. Larimer County. Weed Control
(Colorado) Noxious Weed
Colorado Weed Management Association.
Noxious Weed Species
Colorado Department of Agriculture.
Northern Territory Department of Land Resource Management (Australia).
Encycloweedia - Noxious Weed Data Sheets
California Department of Food and Agriculture.
Fact Sheets for Invasive Exotic Plants
Learning Center of the American Southwest.
Federal Noxious Weed Disseminules of the U.S.
USDA. Animal and Plant Health Inspection Service; California Department of Food and Agriculture.
This interactive tool provides photographs, text and keys that aid in determining whether or not an unknown disseminule (e.g., seed, fruit) found as a contaminant in imported botanicals and agricultural products is a Federal Noxious Weed (FNW) and is therefore actionable. Fact Sheets for each FNW taxon pull together relevant descriptions, including distinguishing characteristics and photographs.
Guide to Weeds in British Columbia (2002)
British Columbia Ministry of Agriculture Food and Fisheries (Canada).
This resource provides descriptions of weeds that are currently present in the province or pose a threat to its economy and environment. Browse by common name, latin name or by flower color. This guide is prepared as reference for farmers, ranchers, resource managers, students, and the public. Profiling 80 weeds, the guide includes identification, impact, legal status, habitat, local distribution, biology, ecology, and management strategy for each weed. The guide is also available as a printable PDF; see Weeds BC - Resources.
Idaho's Noxious Weeds
Idaho Association of Soil Conservation Districts. Idaho OnePlan.
Invasive Alien Plant Species of Virginia: Species Factsheets
Virginia Department of Conservation and Recreation. Natural Heritage Program.
Factsheets focus on identification, threats and control of the most troublesome of Virginia's non-native plant species.
Invasive, Exotic Plants of the Southeast
North Carolina State University. Cooperative Extension. Going Native: Urban Landscaping for Wildlife with Native Plants.
Plant Atlas of the MidSouth (IPAMS)
Mississippi State University. GeoResources
Invasive Plant Fact Sheets
University of Pennsylvania. Morris Arboretum.
Invasive Plant Fact Sheets
Weed Science Society of America.
These fact sheets were developed in part from the article ‘Ranking
Nonindigenous Weed Species by Their Potential to
Invade the United States’ by Parker et al. (2007).
Invasive Plants and Insects
Pennsylvania State University. Cooperative Extension.
Information about how to recognize and combat plants and insects that can threaten the health of trees and woods in Pennsylvania.
Invasive Plants: Fact Sheets
Pennsylvania Department of Conservation and Natural Resources.
Scroll and select tabs to view information for troublesome trees, shrubs, vines, herbs and aquatic plants that have impacted the state's natural lands and suggest actions you can take to protect your property from invasive plants.
Bowman's Hill Wildflower Preserve (Pennsylvania).
Scroll to view "Invasive Plant Information Sheets"
Invasive Plants - "Weed of the Week"
USDA. FS. Northeastern Area. Forest Health Protection.
Invasive Plants and Insects Publications
Pennsylvania State University. Agricultural Sciences.
Invasive Plants of Ohio Fact Sheets
Ohio Department of Natural Resources. Natural Areas and Preserves.
Invasive Plant Atlas of New England (IPANE) - Species
University of Georgia. Center for Invasive Species and Ecosystem Health.
Plants of California's Wildlands - Plants Listed by
California Invasive Plant Council.
See also: Plants listed by Scientific
Bossard, C.C., J.M. Randall, and M.C. Hoshovsky (Editors). 2000. Invasive Plants of California's Wildlands. University of California Press. Berkeley, CA.
Alberta Invasive Species Council (Canada).
Fact Sheets provide more information about individual invasive species. They contain information on impacts, origin, habitat, regulatory status, identification, prevention and control options.
Plant Fact Sheets
Maine Department of Agriculture, Conservation, and Forestry. Maine Natural Areas Program.
Missouri Department of Conservation.
Based on the Missouri Vegetation Management Manual, these control recommendations
are for 25 of the most troublesome invasive, non-native plants in Missouri.
Invasive Species Identification Sheets
USDA. Natural Resources Conservation Service Connecticut.
The Connecticut NRCS produced Invasive Species Fact Sheets, which contain identification information and a selection of photographs for each species.
Northern Research Station.
Maps are organized for 43 invasive plant species into five categories: trees, shrubs, vines, herbs, and grasses. Select the desired species to view the distribution information for northern states.
County (Washington) Noxious Weed List / Specific
Washington Department of Natural Resources. Water and Land Resources Division.
Interactive Field Guide to Aquatic Invaders
and Their Native Look Alikes - Common Names Listing / Scientific
Maine Volunteer Lake Monitoring Program.
Maine Center for Invasive Aquatic Plants.
Managing Invasive Plants: Information for Landowners - Plant Fact Sheets
D&R Greenway Land Trust (New Jersey).
Natural Resources Publications
University of Nevada - Reno. Cooperative Extension.
See also: search results for "invasive or weed"
New Jersey Target Species Fact Sheets
Central Jersey Invasive Species Strike Team.
Perennial & Biennial Weed Guide
Ohio State University. Ohio Agricultural Research and Development Center.
Pacific Island Ecosystems at Risk (PIER) - Plant Threats to Pacific Ecosystems
Institute of Pacific Islands Forestry.
Species listed by scientic name, and includes those of environmental concern (including those that are probably of threat only to islands with high elevations) as well as agricultural and ruderal weeds.
Plant Pest Control
Hawke's Bay Regional Council (New Zealand).
Includes both terrestrial and aquatic plant information.
Relating to Invasive Species and Publications
Relating to Native Species Issues
Plant Materials Program.
Pest Plant Council - Publications
Southeast Exotic Pest Plant Council.
Profiles and Best Management
Colorado Parks and Wildlife.
Wisconsin Department of Natural Resources.
Texas Invasives - Common
Name List or Scientific Name List
Management Manual (Illinois)
Illinois Nature Preserves Commission.
Washington State Noxious Weed List
Washington State Noxious Weed Control Board.
of Nebraska Publication Series
University of Nebraska - Lincoln. Cooperative
Montana Weed Control Association.
Weed Identification Guide
Saskatchewan Agriculture, Food and Rural Revitalization (Canada).
Non-Native Plant Species List
University of Alaska - Anchorage. Alaska Natural Heritage Program.
Note: Contains factsheets and risk assessment reports of non-native species present in Alaska and also non-native species currently not recorded in Alaska (potential invasives).
New South Wales Department of Primary Industries (Australia).
Utah's 18 Most Noxious Weeds - What Are They?
State of Utah. Weber County Weed Abatement.