Surf these sites: APHIS Web: Noxious Weeds Home Page -- APHIS has a major responsibility in preventing the spread of non-indigenous weeds into and through the United States. BLM Weeds -- The Bureau of Land Management''s "Pulling Together-National Strategy for Invasive Plant Management". Biocontrol Method for Reedgrass -- The method involves the inundative use of endemic (native) pathogens to suppress reedgrass in reforestation areas, from Natural Resources Canada. Biota of North American Program -- North American distribution map sponsored by the North Carolina Botanical Garden. Bureau of Invasive Plant Management of Florida -- Administers a program designed to ensure statewide management of noxious aquatic weeds and to protect valuable natural ecosystems. Bureau of Land Management -- Invasive plants that inhabit Nevada, listed by county. COSEWIC Subcommittee: Vascular Vascular Plants, Mosses & Lichens -- This site provides information on the activities of the Subcommittee and the makeup of its parent committee, COSEWIC. It also serves as an information center on vascular plants, mosses and lichens considered to be at risk nationally in Canada. California Exotic Pest Plant Council -- Dedicated to finding solutions to problems caused by non-native pest plant invasions of the state''s natural areas. California Native Plant Society -- Biological pollution and exotic plants. Detailed listing of exotic plants, common and scientific names, types of ecosystems harmed, and current known distribution. Canada Thistle -- Canada thistle is a creeping perennial that reproduces from vegetative buds in its root system and from seed. It is difficult to control because its extensive root system allows it to recover from control attempts. Colorado Weed Management Association -- An organization dedicated to preserving Colorado''s natural resources. Connecticut Department of Environmental Protection -- Policy adopted on non-native plant species. Declining Native Plant Diversity -- Declining Native Plant Diversity Caused by Invasive Weeds and Interactions with Grazing: a Multi-state and Multi-agency Approach. Department of Transportation- Invasive Species Policy Guidelines -- The Federal Highway Administrations directives on implementing the executive order on invasive species. Diffuse and Spotted Knapweed -- Diffuse knapweed is a biennial or, occasionally, an annual or short-lived perennial that reproduces and spreads solely from seed. Spotted knapweed is a short-lived, noncreeping perennial that reproduces from seed and forms a new shoot each year from a taproot. Diffuse and spotted knapweed are readily controlled with herbicides. Disaster gives alien plants a foothold, ENN Daily News -- Researchers from the University of Miami find the most successful species to recover after this natural distaster were invasive non native species. ENN News - Non-native weeds invading America''s landscape -- The spread of invasive non-native plants is now considered by some experts to be the second-most important threat to native species, behind habitat destruction. EXOTIC INTRODUCTIONS -- Chapter 9 of Biodiversity and Conservation, a Hypertext Book by Peter J. Bryant Ecological Monitoring and Assessment Network -- Guide to Monitoring Exotic and Invasive Plants. Eel River Bar First Nation: Invasive Plants Control -- Aboriginal Heritage Gardens tourist attraction. A proposed visitor centre and trails will deal with the use of native and exotic plants by the Micmac of the Atlantic, while at the same time trying to eradicate the most troublesome of the sites exotic plants. Environmental Weeds -- News page updated regularly plus links to websites on weeds threatening nature conservation, weeds organizations and research. Environmental Weeds at Bream Head -- A study of environmental weeds found on the coastal fringe of Bream Head and in private gardens at Ocean Beach and Urquharts Bay, Northland, New Zealand. Exotic Plants Bibliography -- A searchable database providing citations and summaries of literature pertinent to controlling invasive exotic plants. Exotic grasses lead to a decline in bird species, ENN Daily News -- 8/12/98 -- Certain grassland bird species in the eastern United States are experiencing significant declines and exotic cool-season grasses may be to blame. FON - Invasive Species - How Does Your Garden Grow -- Current trends in landscaping have led to a variety of new garden types which include hybrids and potentially invasive species. Federal Interagency Committee for the Management of Noxious and Exotic Weeds -- Responsible for coordinating a Federal Government approach for the management of weeds. Ferns of Hawaii -- Human activity has led to the naturalization of 30 species of pteridophytes in the Hawaiian flora. The first record of naturalized ferns in Hawaii is in collections made in 1887. Filaree Storksbill (Southwest Desert USA) -- All about the desert Filaree Storksbill, includes color photos, description, range, habitat and scientific and common names. Fire Effects Information System (FEIS) -- FEIS provides up-to-date information about fire effects on plants and animals. It was developed at the USDA Forest Service Rocky Mountain Research Station''s Fire Sciences Laboratory in Missoula, Montana. Flora Of North America -- A project undertaken by North American botanists to provide authoritative information on the names, relationships, characteristics, and distributions of the approximately 21,000 species of plants that grow outside of cultivation in North America. Flora of Ethiopia and Eritrea -- 7,000 species of vascular plants, both indigenous and important cultivated species. Florida Exotic Pest Plant Council -- List of Florida''s Most Invasive Species in 1999. Florida Exotic Pest Plant Council -- The Council''s 1997 List of Florida''s Most Invasive Species. Florida Exotic Pest Plant Council (EPPC) -- Most Invasive Species List for 1995-1997. Florida Noxious Weed List -- Noxious weeds included in 5B-57.007 Florida Administrative Code. Florida Weeds -- This publication is designed as an aid to the identification of weeds found in Florida. Fremont Cottonwood -- This native riparian species provides habitat for numerous native and migratory birds, including raptors, and its canopy and roots help maintain habitat for other riparian species. It is threatened by groundwater depletion, fire, and competition with invasive trees, notably salt cedar (Tamarix sp.). Grass Growth and Response to Grazing -- Grasses are the dominant plants in most forage-based enterprises throughout the world. Hawaiian Alien Plant Studies, UH Botany -- A forum to promote public awareness and exchange of information regarding problems associated with the spread of alien plant species. High Country News -- This issue features articles on tamarisk invasions in the American west. How Landowners Can Prevent Invasive Plant Species -- Tips offered for the average homeowner, gardener. How to Prevent the Spread of Noxious Weeds -- Controlling weeds poses a special dilemma because, once a weed infestation is identified, it is often already so large that containment is difficult and expensive. Hylobius transversovittatus -- How New York state is handling it''s Purple Loosestrife invasion. Idaho Weed Summit -- The Spread of Invasive Weeds in Western Wildlands. Impact of Invasive Plants -- learn about the history of invasive plants, and the impact they are having on Canada''s ecosystems. InSCIght - Exotic Beetle to Attack Invasive Plant -- Article on the Fish and Wildlife plans to release a Chinese leaf-eating beetle to combat saltcedar (tamarisk). Invasive Alien Species -- Invasive species information sites relating to selected geographic regions, by species, national databases, or other internet resources. Invasive Alien Species - Publications and other Documents -- Listings by the National Biological Information Infrastructure. Invasive Exotic Plants of Canada -- History of non-native plants in Canada, and some of the solutions being used to control them. Invasive Grass Species In Southern Africa -- Invasiveness of a perennial soil pathogen-sensitive grass (Ammophila arenaria) and an annual grass (Cenchrus biflorus) in Southern Africa are studied in relation to soil pathogens, mycorrhizal fungi and genetic structure. Invasive Non-Native Plant Species -- This is a list of vascular plant species which are invasive into "natural areas" in Connecticut. Invasive Plant Alert and Action Plan -- The IPAP addresses the need for actions to deal with the spread of invasive plants by undertaking a contact program with naturalist clubs and other groups across Canada. Invasive Plant Control, Inc. -- Utilizes advanced techniques for the removal and management of non-native exotic invasive pest plants. Invasive Plants of Canada Project (IPCAN) -- Thehis project grew out of an initiative in 1991 by the Habitat Conservation Divison, Canadian Wildlife Service (CWS) to compile information on invasive exotic plants of wetland and upland habitats. Invasive Plants of Natural Habitats in Canada -- The impacts of evasive aliens on Canada''s ecosystems. Invasive Shrubby Species -- From the Canadian Botanical Conservation Network, listings of invasive shrubs with detailed information on each. Invasive Species -- USGS Biological resources that deal with invasive plant species. Invasive Species -- American Seed Trade Association''s position on invasive species. An attack on the current governing of invasive species laws and eradication efforts. Invasive Species - And then they came -- The story of how different trees, shrubs and herbs found their way into our gardens and natural areas is as diversified as the plants themselves. Invasive Species Database Workshops -- Workshops from 1997 and 1997 dealing with invasive species. Invasive Species Research at The Reasearch Ranch -- Investigating lovegrass, Eragrostis chloromelas, an exotic species from South Africa that has invaded a native desert grassland in South-East Arizona. The research takes place at The Appleton-Whittell Research Ranch. Invasive Woody Plants in the Tropics Research Group -- Global review of invasions resulting in a comprehensive database, an analysis of common characteristics and recommendations for management and control. Invasive plant wipes out native wildflowers -- Canadian and International News Invasive species threaten healthy ecosystems, ENN Daily News -- 5/17/99 -- Research article on invasive plant species. Leafy Spurge -- Leafy spurge (Euphorbia esula L.) is a creeping perennial that reproduces from seed and vegetative root buds. It can reduce cattle carrying capacity of rangeland or pastures by 50 to 75 percent. Leafy spurge is difficult to control. MetroActive News & Issues: Alien Plants -- The dreaded Arundo, also known as giant reed grass, coming soon to a neighborhood near you. Musk Thistle -- A biennial weed that reproduces only from seed. The key to successful musk thistle control is to prevent seed production. National Parks Service IPM Manual -- The National Park Service Integrated Pest Management Manual National Weed Strategy -- National Strategy for Invasive Plant Management. Mission is to stop invasive plant entry and their spread. Native Plant -- The City of Scottsdale Arizona has determined that the presence of unique natural plant resources contributes to the aesthetic and economic well-being of the community and has drafted laws to protect them. Native Plants (and Invasive Species) -- Landscaping with native plants, maintenance considerations over exotics, etc. Reprinted by "Citizens For A Scenic Florida" from the St. Lucie Tribune. Non Native Plant Species -- Informative site which describes 4 distinct types of habitat and the native plants which inhabit them, as well as listings of invasive species which now threaten those systems. Nonindigenous Plants workshop -- The spread of nonindigenous plants threatens biological diversity and the functioning of natural ecosystems throughout the United States. Norwalk River Watershed Invasive Species -- Common and scientific species names along with detailed information about the particular invasive plant. PEAS Database -- Plant database. PLANTS National Database -- A site including a large database of plant names, a plant Photo Gallery, Plant Fact Sheets, Information about Culturally Significant Plants, Noxious and Invasive Plants, and more. Pacific Northwest Exotic Pest Plant Council -- Preliminary listing of plant species of concern. Scientific and common names given for each plant. Plant Conservation Alliance - Alien Plant Working Group -- "Weeds Gone Wild"; an internet-based project of the Plant Conservation Alliance provides information for the general public, land managers, researchers, and others on the serious threat and impacts of invasive alien plants. President Clinton Expands Federal Effort to Combat Invasive Species -- US Interior Department press release on the White House''s plan to combat invasive plants. Proceedings Saltcedar Workshop - June 12, 1996 -- Fifteen papers presented at the saltcedar management workshop, June 12, 1996, Rancho Mirage, California. Purple Loosestrife -- Documents the spread and impact of purple loosestrife in North America. Purple Loosestrife Management -- Information about purple loosestrife management in our National Wildlife Refuges. Range and pasture weed management - Colorada State Cooperative Extension -- Weeds are spreading rapidly on Colorado rangeland and pastures. Manage weeds during the current growing season to decrease or prevent future infestations. Redwood National and State Parks -- Exotic plant management of the over 190 exotic species invading Redwood Parks. Research Committee of the Tennessee Exotic Pest Plant Council -- A synomized checklist of the vascular flora of the United States, Canada, and Greenland. Saltcedar Management and Riparian Restoration Workshop -- Fifteen papers presented at the saltcedar management workshop, September 17 & 18, 1996, Las Vegas, Nevada. South Eastern Regional Association of Medical and Biological Associations -- Location of exotic species as well as their scientific and common names. Southern Weed Science Research Unit -- Research department of the Agricultural Research Service that develops sustainable integrated weed management systems. Southwest Exotic Plant Mapping Program -- A collaborative program designed to develop a regional database of exotic plant distributions for the southwest. Species Abstracts of Highly Disruptive Exotic Plants -- Literature reviews on the taxonomy, ecology, distribution, and control options for numerous species of exotic plants at three national monuments in the upper Midwest. TNC Wildland Weeds Management & Research -- The Nature Conservancy''s U.S. program for dealing with harmful invasive plant species threatening wild land biodiversity and invading TNC preserves. Site has weed alerts and resources on weed control. Tennessee Exotic Pest Plant Council -- Information on spread of exotic plant pests and their eradication, as well as landscaping with native plants. The High Plains -- The threat that invasive weeds pose to the High Plains Ecosystem is discussed. The Western Weed Coordinating Committee -- An informal organization designed to help coordinate weed management efforts of state and federal agencies. The Worst Invasive Species -- The Nature Conservancy''s national program for dealing with harmful invasive plant species on its preserves. Troublesome Weeds -- These plants have an impact on human activities, such as agriculture, or the use of natural areas. Often these plants have an unfavorable effect on natural ecosystems, displacing native plants, changing the availability of food or shelter for native animals. UMESC Invasive Species - Reed Canary Grass -- Native to North America and of circumpolar distribution. In North America, introduction of–and interbreeding with–European strains of reed canary grass has created an agressive and invasive strain. Upper Midwest Environmental Sciences Center -- Invasive Species VA NHP Invasive Alien Plant Cooperative Project -- The Virginia Native Plant Society (VNPS) and the Department of Conservation and Recreation share a commitment to protect native plant habitats from the threat of invading exotics. Weed Busters Week -- Queensland Department of Natural Resources. Recognizing exotic weeds. Weed Management for Small Rural Acreage -- A weed-management system uses two or more control methods. The key is to create a favorable situation for desirable plant growth with optimum fertilization, when necessary, and/or irrigation (cultural). Weed Research and Information Center -- An interdisciplinary collaboration that fosters research in Weed Management and facilitates distribution of associated knowledge for the benefit of agriculture and for the preservation of natural resources. Weed Risk Assessment -- evaluates the risks associated with the introduction of exotic plants not present, and those recently introduced and considered to pose a threat to agriculture and the environment Weed Science Society of America -- Publishers of Weed Technology. Weed Technology includes original research on weed biology and control, weed and crop management systems, reports of new weed problems. Weed-feeders -- Using biological agents for weed control. Weeds, Invasive Plants -- Weed and exotic plant information links on the internet. Wildland Weeds Management & Research Program -- The Nature Conservancy fighting the war on weeds in our ecologically sensitive areas. Wisconsin Department of Natural Resources -- This manual summarizes the morphological characteristics, habitat requirements, life history, and possible methods of control for several common invasive plant species.
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