Poison Ivy, Oak, and SumacWeb Directory

Information and advice on dealing with these plants, primarily for outdoor enthusiasts and gardeners . Sites primarily about the plants are listed in Science/Biology/Flora_and_Fauna/Plantae/Magnoliophyta/Magnoliopsida/Anacardiaceae/Toxicodendron/ and sites primarily about health aspects of reactions to the toxic substance urushiol are listed in Health/Conditions_and_Diseases/Skin_Disorders/Poison_Ivy.

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