Links
Alien Plant Working Group - Purple Loosestrife - fact sheet and photos
Environment Canada - Purple Loosestrife - fact sheet
Illinois Natural History Survey - Purple Loosestrife Biological Control in Illinois
Illinois Natural History Survey - Host specificity of Galerucella calmariensis - results of feeding tests on Galerucella spp.
Invasive.org - Invasive and Exotic Species of North America - Purple Loosestrife (Lythrum salicaria) - photos, North American distribution, links
Great Lakes Information Network - Purple Loosestrife - general Info, links
Lakehead Region Conservation Authority - Purple Loosestrife - general & regional info (Thunder Bay)
Manitoba Purple Loosestrife Project - Purple Loosestrife Info Centre - references, resource materials, biocontrol info
ME - University of Maine Cooperative Extension - Purple Loosestrife - fact sheet and photo (HTML or PDF)
Michigan Sea Grant - Purple Pages - Michigan's Purple Loosestrife Biocontrol Project
Minnesota Department of Natural Resources - Purple Loosestrife - general info, gardening alternatives, MN-DNR Management Program
Minnesota Sea Grant - Purple Loosestrife: What You Should Know, What You Can Do - online brochure
National Agricultural Pest Information System - LYTHRUM (loosestrife); Purple, Lythrum salicaria - North American distribution and biocontrol release sites
New England - Invasive Plant Atlas of New England - Lythrum salicaria (Purple Loosestrife) - fact sheet and photos
NY - Cornell University - Purple Loosestrife - info on status, impacts, history & biological control
NY - Cornell University - Purple Loosestrife - fact sheet
Ohio Department of Natural Resources - Fact Sheet 4 - Purple Loosestrife - fact sheet and photos (PDF)
Ontario - Federation of Ontario Naturalists - Natural Invaders - basic information, native substitutes
The Nature Conservancy: Wildland Weed Management and Research Library - ESA for Lythrum salicaria - general info, and detailed control information
USDA Forest Service - Purple Loosestrife - detailed report with references
USDA - National Agricultural Library - Species Profile: Purple Loosestrife - photo, numerous links
USDA PLANTS Database - PLANTS Profile: Lythrum salicaria - information, photo, US distribution
U.S. Fish & Wildlife Service, Montezuma National Wildlife Refuge - Purple Loosestrife - impacts, intro to biocontrol
US Geological Survey: Northern Prairie Wildlife Research Center - Species Abstracts of Highly Disruptive Exotic Plants: Purple Loosestrife at Effigy Mounds National Monument
University of Guelph - Purple Loosestife - fact sheet
Virginia Natural Heritage Program - Purple loosestrife - fact sheet and illustration (PDF)
Wisconsin Department of Natural Resources - Purple Loosestrife - fact sheet, photos, control & regional info
WI - Freckmann Herbarium, UW-Stevens Point - Purple Loosestife - fact sheet, photos
Wisconsin State Herbarium: Wisconsin Vascular Plants - Lythrum salicaria - information, photos, Wisconsin distribution
WI - UW-Green Bay Herbarium, Cofrin Center for Biodiversity - Lythrum salicaria: Purple Loosestrife - photos, brief info