Invasive plant management issues and challenges in the United States : 2011 overview /Publisher: Washington, DC : American Chemical Society,
Date: 2011. This title can be found in 1 Iowa libraries.
Invasive plants : changing the landscape of America : fact book /Author: Westbrooks, Randy G.,
Publisher: Washington, D.C. : Federal Interagency Committee for the Management of Noxious and Exotic Weeds,
Date: 1998. This title can be found in 4 Iowa libraries.
Poisonous plants of eastern North America /Author: Westbrooks, Randy G.,
Publisher: Columbia, S.C. : University of South Carolina Press,
Date: c1986. This title can be found in 4 Iowa libraries.
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