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Know Your Enemy,
page 4
Where And When Are Poison Ivy, Oak and Sumac Plants
Found?
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Poison ivy, oak and sumac grow almost everywhere
in the United States, except Hawaii, Alaska and
desert areas.
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Poison ivy usually grows east of the Rocky
Mountains and in Canada.
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Poison oak grows in the Western and Southeastern
United States, Canada and Mexico.
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Poison sumac grows in the eastern states and
Southern Canada.
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