Evolution photos

Evolution photos

Evolution photos

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Spring mushrooms in Oklahoma

Spring mushrooms in Oklahoma

Poison ivy and aromatic sumac

Poison ivy and aromatic sumac

Turtle caught in wildfire

Turtle caught in wildfire

Post oak in Oklahoma

Post oak in Oklahoma

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Poison ivy and aromatic sumac

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Poison ivy and aromatic sumac

Which one is Toxicodendron radicans and which is Rhus aromatica? 2012 photo by Stanley Rice, Oklahoma.