LINKS:

-Purple Loosestrife (Lythrum salicaria) - Best Management Practices in Ontario. 2016.
-The Biology of Canadian Weeds. 100. Lythrum salicaria.  Mal et. al. 1992. Can. J. Plant Sci. 
-Biology and Biological Control of Purple Loosestrife. Wilson et. al.
-Classical Weed Biocontrol in Canada:  How do new agents happen.  Agriculture and Agri-Food Canada.
-Biological Control: A guide to Natural Enemies in North America. Cornell University.
-Ontario Invasive Plant Council
​-Ontario's Invading Species Awareness Program.
-Invasive Species Centre
​-A Quick Reference Guide to Invasive Plant Species
-Field Guide to Aquatic Invasive Species
-A Landowners Guide to Managing and Controlling Invasive Plants in Ontario
​-An Invasive Species Education and Outreach Compendium: Materials and Resources in Ontario 2012