[APWG] ARTICLE: Invasive Non-native Plants That Threaten Wildlands in Arizona

[Olivia Kwong]

http://www.azcentral.com/arizonarepublic/opinions/articles/1205mon1-05.html

More than 20 organizations evaluated the plants that most threaten the 
state's wildlands. The 71 species listed in "Invasive Non-native Plants 
That Threaten Wildlands in Arizona" are rated high, medium or low, 
depending on how much risk they pose.

See the link for the full text of the article.

The list it discusses can be found at:

http://www.usgs.nau.edu/swepic/SWVMA/index.asp