• Diagnosing Herbicide Injury in Peanut - University of Florida
• Herbicide Injury on Corn and Soybean - Purdue University
• Herbicide Injury Symptomology - University of Missouri
• Herbicide Injury Symptoms in Corn -University of Nebraska
• Herbicide Mode of Action and Injury Symptoms - University of Minnesota
• Herbicide Mode of Action Key for Injury Symptoms - Iowa State University
• Peanut Herbicide Injury Symptomology Guide - Texas A&M
• Quick Guide to Herbicide Injury on Soybean -University of Illinois