Figure 1. Erythematous Papular Lesions of Poison Ivy. Printed with permission from Poison Ivy, Oak, and Sumac Information Center, www.poisonivy.us

Figure 2. Crusted Vesicular Lesions of Poison Ivy. Printed with permission from Poison Ivy, Oak, and Sumac Information Center, www.poisonivy.us

Figure 3. Vesicular and Bullous Lesions of Poison Ivy. Printed with permission from Poison Ivy, Oak, and Sumac Information Center, www.poisonivy.us

Figure 4a. Poison Ivy Leaves

Figure 4b. Poison Ivy Vine Growing on Tree

Figure 5. Poison Ivy Leaves in Autumn

Figure 6. Poison Oak. Printed from Agriculture and Agri-Food Canada - www.agr.gc.ca

Figure 7. Poison Sumac. Printed from Agriculture and Agri-Food Canada - www.agr.gc.ca