Identification Resources

Provincial Weed Identification

• Integrated Pest Management Images (New Brunswick)
• weedinfo.ca (Ontario)
• weedsbc.ca (British Columbia)

Common weeds of the northern United States and Canada by Gerald A. Mulligan:

• Common weeds of the northern United States and Canada
• Common plants of the northern United States and Canada reported to have caused poisonings, a dermatitis or hay fever in humans
• Plants of Canada and the northern United States that are poisonous to livestock, or that have tainted animal products
• Additional information on hay fever plants

Inventory of Canadian Agricultural Weeds:

• English version
• French version

Canadian Food Inspection Agency:

• Canadian Food Inspection Agency, English
• Agence canadienne d’inspection des aliments, French
• Invasive Plants (CFIA, English)
• Plantes envahissantes (ACIA, French)

Weed Identification Workshop November 2015:

• Weed Identification Workshop Zip file
• Weed Identification Workshop – Inventory
• Weed Identification Workshop Powerpoint
• Murrell Appendix
• Preferred Common & Scientific Names
• Useful Links
• Canadian Herbaria
• Identifying 50 Major Plant Families
• Weed Identification Workshop Inventaire

Seed Identification Guide

• ISMA Seed Identification Guide
• Field identification of the 50 most common plant families in temperate regions