Additional References

• Gornish, E and Howery, L. D.  2019. Editors.  Non-native, invasive plants of Arizona. Arizona Cooperative Extension Publication Revised #AZ1482-2019.  26pp
• Howery, L. D.  2007.  Help protect Arizona from non-native, invasive plants.  Backyards and beyond: Rural living in Arizona. 1:5-6
• Reid, C. R., S. Goodrich, J. E. Bowns.  2008.  Cheatgrass and Red Brome: History and Biology of Two Invaders. USDA Forest Service Proceedings RMRS-P-52.

Related Links

• Selected Yellow Starthistle Treatment Options: UC Davis
• New Jersey Agricultural Weed Gallery: Collection of photos and descriptions of agricultural weeds found in New Jersey. Rutgers Cooperative Extension.
• Invasivespecies.gov: The Nation's Invasive Species Information System: The U.S. National Biological Information Infrastructure.
• Idaho's Noxious Weeds: An online version of Idaho's Noxious Weeds.
• BioControl Matters: Association of Natural Bio-Control Producers' newsletter.
• An Illustrated Guide to Arizona Weeds:  For purchase from from the University of Arizona Press. Check your library for access to the book. 
• Colorado Weed Management Association: Has issues of its newsletter, Weed Watch, on the web.
• Federal Interagency Committee for the Management of Noxious and Exotic Weeds: Responsible for coordinating a Federal Government approach for the management of weeds.
• The National Invasive Species Council: Information on prevention, early detection, rapid response, control, management, restoration, research and education regarding invasive species.
• The National Invasive Species Information Center: The Center provides information on US and international invasive plants, animals and microbes and their associated economic impacts.
• Weed Identification: A very complete and elegant online key to identifying weeds. From C-FAR, the Illinois Council on Food and Agricultural Research, Strategic Research Initiative in Information Systems and Technology.
• Weeds of Utah: Identification and Prevention: Resources on identifying and preventing weeds in Utah, from Utah State University Extension
• Weeds: Publications on weeds, many of which are available online. From the University of Nebraska-Lincoln, Institute for Agriculture and Natural Resources.
• About Weeds and Invasive Species: General information from BLM on invasive weeds.  From the Bureau of Land Management.