Weeds Home --> Introduction to Rangeland Weeds --> How Did The Situation Get So Bad?
Dealing with Weeds and Alien Species on Rangelands - CSREES collaborates with a number of agencies and professional societies, to provide information about the devastating yet insidious nature of weeds and alien species encroachment. Links to strategic plans and background documents. From the Cooperative State Research, Education, and Extension Service. [Western Region] 
Invasive Species - General discussion of the problem of invasive species. From the APHIS/USDA. [Western Region]
Invasive Weeds: A Growing Pain/Upsetting the Balance - Summary of how plants become weeds. From the Bureau of Land Management. [Western Region]
Looks can be deceiving - How beautiful flowers can really be a scourge. From the Bureau of Land Management. [Western Region]
Noxious Weeds: A Disaster Looking for a Place to Happen in Arizona!! - By Larry D. Howery and George B. Ruyle. Background information on weeds in Arizona and why they are an increasingly serious problem. From the University of Arizona AgNIC-Rangelands West. [Arizona]
Purple Loosestrife - a Threat to Wetlands - Questions and answers on the problem of purple loosestrife. From the King County (Washington) Natural Resources and Parks. [Western Region]
The Spread of Invasive Weeds in Western Wildlands: A State of Biological Emergency, The Governor's Idaho Weed Summit - By Jerry Asher and Carol Spurrier. This paper explains how hundreds of public land watersheds in the West are rapidly undergoing the greatest permanent land degradation in their recorded history. From the Bureau of Land Management. [Western Region]
Where Do Noxious Weeds Come From? - Origins of weeds, how they spread, and the cost. From the Bureau of Land Management. [Western Region]
This resource is developed by the Arid
Lands Information Center (University of Arizona)
in cooperation
with and support of the National
Agricultural Library.
   
http://alic.arid.arizona.edu/invasive/html/template4.asp?level1=introductionlevel2=sobad
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