• The UC IPM Weed Photo Gallery includes many, but not all, weed species commonly found in California farms and landscapes.
• This identification key to weeds includes the most commonly found weeds in California lawns. It is part of the UC Guide to Healthy Lawns.
• This weed identification tool is from the Weed Information and Research Center.
• Individual Pest Notes from the UC IPM Program address a variety of specific weed pests and other unwanted plants.