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Spotting and Avoiding Poison Oak, Poison Ivy, and Poison Sumac


Updated June 25, 2014

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Oak, Ivy, Sumac - Oh My!
Poison Oak

Poison Oak

Wendy Bumgardner ©
Though winters are harsh in parts of the country, conditions are never severe enough to quell these three woodsy nuisances. Here’s how to recognize, avoid and treat contact with Toxicodendron Diversiloba (Poison Oak), T. Radicans (Poison Ivy) and T. Vernix (Poison Sumac).

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