Pacific Poison Oak – Toxicodendron diversilobum

poison oak

Pacific Poison Oak General: Pacific poison-oak, a member of the sumac family, is a deciduous plant that grows throughout many parts of west coast. Urushiol, found on the stems, berries and leaves is the main component of the oily resin that causes rashes and blistering. Poison oak can survive under a wide range of temperatures, […]

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