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1
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poison ivy
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United States
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In the United States, recognizing and avoiding poison ivy is common knowledge due to its prevalence and skin reaction.
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4
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2
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poison ivy
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Canada
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In Canada, recognizing and avoiding poison ivy is common knowledge in wooded areas.
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3
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3
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poison ivy
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Australia
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Poison ivy is less common and less known in Australia but can cause allergic skin reactions upon contact.
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1
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4
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poison ivy
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botanist community in the US
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Poison ivy is known for its unique leaf pattern and ability to cause allergic reactions, recognized within the botanist community in the US.
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1
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