Alaska Association of Soil and Water Conservation Districts - Invasive Plants 
AACD's mission is to assist Alaskans in making sound land use and development decisions that take into consideration traditional knowledge and lifestyles. The invasive plants webpage has information on AACD's Invasive Plants Grants.
http://www.alaskaconservationdistricts.org/invasivePlants.htm

Alaska Department of Fish and Game Invasive Species 
Information on plant species considered 'high priority threats' by ADF&G.
http://www.adfg.state.ak.us/special/invasive/invasive.php

CNIPM - Alaska Committee for Noxious and Invasive Plant Management            
CNIPM’s 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.
http://www.uaf.edu/ces/cnipm/

EDDMapS Early Detection and Distribution Mapping System (Center for Invasive Species and Ecosystem Health, University of Georgia) 
AKEPIC data will be served through EDDMapS.
http://www.eddmaps.org/

Homer Soil and Water Conservation District (HSWC) - Homepage
Coordinating to meet the needs of the local land users for conservation and wise use of soil, water, and related natural resources.
http://www.homerswcd.org/

Homer Soil and Water Conservation District (HSWC) - Invasive lants   
Links to the Kenai Peninsula Cooperative Weed Management Area, its strategic plan, information on the biology and management of Kenai Peninsula's non-native plants, and the Invasive plants Taking Root in Alaska Curriculum (grades 9-12).
http://www.homerswcd.org/invasives/invasivepg.htm

Integrated Taxonomic Information System (ITIS)             
Provides authoritative taxonomic information on plants, animals, fungi, and microbes of North America and the world.
http://www.itis.gov/

Invasive.org      
A source for information and images of invasive & exotic species.
www.invasive.org

Montana State University Center for Invasive Plant Management
Information on MT's Invasive Plants, invasive plant definitions, identification, and biology.
http://www.weedcenter.org/

Plant Materials Center - State of Alaska Division of Agriculture
Provides testing, production, development, and distribution of materials to resource industries to meet environmental requirements, and includes development of a native seed industry. Links to the State of Alaska's prohibited and restricted noxious weeds list and to a directory of native plant sources in Alaska.
http://www.dnr.state.ak.us/ag/ag_pmc.htm

University of Alaska Herbarium Checklist 
Preliminary Checklist to Alaskan Exotic Plants (Asteraceae)
http://www.uaf.edu/museum/collections/herb/projects/exoticplants/exoticchecklist/

University of Alaska Herbarium Database            
Online queriable database for most of UAF's ALA herbarium specimens (includes native and non-native species).
http://arctos.database.museum/home.cfm

Upper Susitna Soil and Water Conversation District - Noxious and Invasive Plants
Information on Upper Susitna's SWCD Noxious and Invasive Plants Program.
http://www.alaskaconservationdistricts.org/UpSu/noxious_and_invasive_plants.htm

USDA Alaska Laws and Regulations         
List and links to Alaska's laws and regulations regarding invasive species.
http://www.invasivespeciesinfo.gov/unitedstates/ak.shtml

USDA Forest Service - Forest Health Protection - Invasive Plants Program    
Working to protect Alaska’s forest and tree resources from damaging outbreaks of insects, diseases, and invasive plants.
http://www.fs.fed.us/r10/spf/fhp/

USDA Forest Service - Forest Health Protection
Informational pamphlets on some of Alaska's top invasive plants species (thistles, hawkweeds, knapweed, sowthistles, knotweed)
http://www.fs.fed.us/r10/spf/fhp/leaflets/index.htm

USDA PLANTS   
The PLANTS Database provides standardized information about the vascular plants, mosses, liverworts, hornworts, and lichens of the U.S. and its territories (includes scientific and common names, synonyms, distribution, native status, images, and USDA PLANTS code).
http://plants.usda.gov/

Washington State Noxious Weed Control Board              
Online identification guide to some of WA's noxious plants (searcheable by flower color or habitat).
http://www.nwcb.wa.gov/weed_ID/weed_id_1.htm